SSL Report: signup.naturalcycles.com (199.36.158.100)
Assessed on:  Wed, 10 Sep 2025 19:26:25 UTC | Clear cache

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Summary
Overall Rating
A+
0
20
40
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100
Certificate
 
Protocol Support
 
Key Exchange
 
Cipher Strength
 

Visit our documentation page for more information, configuration guides, and books. Known issues are documented here.
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This server supports TLS 1.3.  MORE INFO »
HTTP Strict Transport Security (HSTS) with long duration deployed on this server.  MORE INFO »
Certificate #1: RSA 2048 bits (SHA256withRSA)
Server Key and Certificate #1
Subject ratnikovastrateg.com
Fingerprint SHA256: 2bb47303450e8f0aabe77ca694ccf25058ab91afb0d763bb7961470f91f06345
Pin SHA256: F6jTih9VkkYZS8yuYqeU/4DUGehJ+niBGkkQ1yg8H3U=
Common names ratnikovastrateg.com
Alternative names ratnikovastrateg.com facefx.app jepsonpetro.quetzalpay.io ridehq.loca.la xi9kybcg6t76r9p.easyapp.co buyrefreshed.com dl.lolbuilds.app zerodotzero.app 4iaua.podc.incentable.com www.snimki-app.com www.panbati.com cropvine.com join.juky.app www.eulz.org greywaveconsulting.com www.pandarivercrossing.com amp-dev-static.patrickkettner.com saudehospitalarcursos.com.br office.stema.sg breakabreak.com facebookpostscheduler.com www.betaparty.co doctorcuevas.com lets-eat-together.com businessnewspapers.com.au litpubs.com hsubooks.com www.carte.tomorrow-lab.org pl.revolut.com slots.abzork.com miobe.visco.ci motherfucking.best www.coinupapp.ca vanguardtravels.com www.steven-chou.com americatopdoctors.com g.cryptoalerts.ai jeff-ricks.com thecarsite.com redeemfreegifts.com www.evystage.dev micronetech.com ryanehrenreich.com ancile.quantexa.com www.tnns.dev vyas-mahabharat.com ainsphere.com victoriagiannone.com vanedades.jaalorsa.com stg.admin.minisuku.com chat.blinkcirrus.com passenger.easyhop.co uat.cremedelacrm.com document-review.youporn.com playsaathi.com onewaydroptaxi.city ventwithstrangers.com wimbletech.dev.sparqz.io www.6join.com quantumterabyte.com yashrajndt.com bestiary.jusemon.com kushdoshi.dev panelrecruitment.holywings.id sanjeetkumardas.co.in www.alphasmithy.com www.inocentro.com justthefacts.app www.offshelfai.com learn.bitsboxcms.com staging.cashfloapps.com fileside.app bodaservellonportillo.swanmoments.com 5forkarnataka.in radioplayer.app www.soares-engenharia.com 23l3n.podc.incentable.com www.maluvearte.com naturheilpraxis-wees.de signup.naturalcycles.com about.ameba.jp finals2024-hylo.sqwadhq.com pdx.polypoint.ch aiken.turnosweb.app sanjanacabs.com qvadrata.bmgomg.com test.roidragestudios.com www.activaenergia.es flechabusviajes.tur.ar immo.vanheesch.net mijn.hardlopenvoorbedrijven.nl dallo.studio www.matescribe.com www.quantumterabyte.com flowyn.ca shipmentstatus.traslada.com.ar www.civilxr.com dev-app.jounce.ai stematika.ru 2024suao.com.tw
Serial Number 00ce6805e5410c082a09eed7b67ceb88ee
Valid from Mon, 11 Aug 2025 18:29:00 UTC
Valid until Sun, 09 Nov 2025 19:27:29 UTC (expires in 1 month and 29 days)
Key RSA 2048 bits (e 65537)
Weak key (Debian) No
Issuer WR3
AIA: http://i.pki.goog/wr3.crt
Signature algorithm SHA256withRSA
Extended Validation No
Certificate Transparency Yes (certificate)
OCSP Must Staple No
Revocation information CRL, OCSP
CRL: http://c.pki.goog/wr3/7hiQEM4pOIY.crl
OCSP: http://o.pki.goog/s/wr3/zmg
Revocation status Good (not revoked)
DNS CAA No (more info)
Trusted Yes
Mozilla  Apple  Android  Java  Windows 


Additional Certificates (if supplied)
Certificates provided 3 (6080 bytes)
Chain issues None
#2
Subject WR3
Fingerprint SHA256: 2fe357db13751ff9160e87354975b3407498f41c9bd16a48657866e6e5a9b4c7
Pin SHA256: OdSlmQD9NWJh4EbcOHBxkhygPwNSwA9Q91eounfbcoE=
Valid until Tue, 20 Feb 2029 14:00:00 UTC (expires in 3 years and 5 months)
Key RSA 2048 bits (e 65537)
Issuer GTS Root R1
Signature algorithm SHA256withRSA
#3
Subject GTS Root R1
Fingerprint SHA256: 3ee0278df71fa3c125c4cd487f01d774694e6fc57e0cd94c24efd769133918e5
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=
Valid until Fri, 28 Jan 2028 00:00:42 UTC (expires in 2 years and 4 months)
Key RSA 4096 bits (e 65537)
Issuer GlobalSign Root CA
Signature algorithm SHA256withRSA


Certification Paths
Path #1: Trusted
1 Sent by server ratnikovastrateg.com
Fingerprint SHA256: 2bb47303450e8f0aabe77ca694ccf25058ab91afb0d763bb7961470f91f06345
Pin SHA256: F6jTih9VkkYZS8yuYqeU/4DUGehJ+niBGkkQ1yg8H3U=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR3
Fingerprint SHA256: 2fe357db13751ff9160e87354975b3407498f41c9bd16a48657866e6e5a9b4c7
Pin SHA256: OdSlmQD9NWJh4EbcOHBxkhygPwNSwA9Q91eounfbcoE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store GTS Root R1   Self-signed
Fingerprint SHA256: d947432abde7b7fa90fc2e6b59101b1280e0e1c7e4e40fa3c6887fff57a7f4cf
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA384withRSA
Path #2: Trusted
1 Sent by server ratnikovastrateg.com
Fingerprint SHA256: 2bb47303450e8f0aabe77ca694ccf25058ab91afb0d763bb7961470f91f06345
Pin SHA256: F6jTih9VkkYZS8yuYqeU/4DUGehJ+niBGkkQ1yg8H3U=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR3
Fingerprint SHA256: 2fe357db13751ff9160e87354975b3407498f41c9bd16a48657866e6e5a9b4c7
Pin SHA256: OdSlmQD9NWJh4EbcOHBxkhygPwNSwA9Q91eounfbcoE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 Sent by server GTS Root R1
Fingerprint SHA256: 3ee0278df71fa3c125c4cd487f01d774694e6fc57e0cd94c24efd769133918e5
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA256withRSA
4 In trust store GlobalSign Root CA   Self-signed
Fingerprint SHA256: ebd41040e4bb3ec742c9e381d31ef2a41a48b6685c96e7cef3c1df6cd4331c99
Pin SHA256: K87oWBWM9UZfyddvDfoxL+8lpNyoUB2ptGtn0fv6G2Q=

RSA 2048 bits (e 65537) / SHA1withRSA
Weak or insecure signature, but no impact on root certificate
Path #1: Trusted
1 Sent by server ratnikovastrateg.com
Fingerprint SHA256: 2bb47303450e8f0aabe77ca694ccf25058ab91afb0d763bb7961470f91f06345
Pin SHA256: F6jTih9VkkYZS8yuYqeU/4DUGehJ+niBGkkQ1yg8H3U=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR3
Fingerprint SHA256: 2fe357db13751ff9160e87354975b3407498f41c9bd16a48657866e6e5a9b4c7
Pin SHA256: OdSlmQD9NWJh4EbcOHBxkhygPwNSwA9Q91eounfbcoE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store GTS Root R1   Self-signed
Fingerprint SHA256: d947432abde7b7fa90fc2e6b59101b1280e0e1c7e4e40fa3c6887fff57a7f4cf
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA384withRSA
Path #2: Trusted
1 Sent by server ratnikovastrateg.com
Fingerprint SHA256: 2bb47303450e8f0aabe77ca694ccf25058ab91afb0d763bb7961470f91f06345
Pin SHA256: F6jTih9VkkYZS8yuYqeU/4DUGehJ+niBGkkQ1yg8H3U=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR3
Fingerprint SHA256: 2fe357db13751ff9160e87354975b3407498f41c9bd16a48657866e6e5a9b4c7
Pin SHA256: OdSlmQD9NWJh4EbcOHBxkhygPwNSwA9Q91eounfbcoE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 Sent by server GTS Root R1
Fingerprint SHA256: 3ee0278df71fa3c125c4cd487f01d774694e6fc57e0cd94c24efd769133918e5
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA256withRSA
4 In trust store GlobalSign Root CA   Self-signed
Fingerprint SHA256: ebd41040e4bb3ec742c9e381d31ef2a41a48b6685c96e7cef3c1df6cd4331c99
Pin SHA256: K87oWBWM9UZfyddvDfoxL+8lpNyoUB2ptGtn0fv6G2Q=

RSA 2048 bits (e 65537) / SHA1withRSA
Weak or insecure signature, but no impact on root certificate
Path #1: Trusted
1 Sent by server ratnikovastrateg.com
Fingerprint SHA256: 2bb47303450e8f0aabe77ca694ccf25058ab91afb0d763bb7961470f91f06345
Pin SHA256: F6jTih9VkkYZS8yuYqeU/4DUGehJ+niBGkkQ1yg8H3U=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR3
Fingerprint SHA256: 2fe357db13751ff9160e87354975b3407498f41c9bd16a48657866e6e5a9b4c7
Pin SHA256: OdSlmQD9NWJh4EbcOHBxkhygPwNSwA9Q91eounfbcoE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store GTS Root R1   Self-signed
Fingerprint SHA256: d947432abde7b7fa90fc2e6b59101b1280e0e1c7e4e40fa3c6887fff57a7f4cf
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA384withRSA
Path #2: Trusted
1 Sent by server ratnikovastrateg.com
Fingerprint SHA256: 2bb47303450e8f0aabe77ca694ccf25058ab91afb0d763bb7961470f91f06345
Pin SHA256: F6jTih9VkkYZS8yuYqeU/4DUGehJ+niBGkkQ1yg8H3U=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR3
Fingerprint SHA256: 2fe357db13751ff9160e87354975b3407498f41c9bd16a48657866e6e5a9b4c7
Pin SHA256: OdSlmQD9NWJh4EbcOHBxkhygPwNSwA9Q91eounfbcoE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 Sent by server GTS Root R1
Fingerprint SHA256: 3ee0278df71fa3c125c4cd487f01d774694e6fc57e0cd94c24efd769133918e5
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA256withRSA
4 In trust store GlobalSign Root CA   Self-signed
Fingerprint SHA256: ebd41040e4bb3ec742c9e381d31ef2a41a48b6685c96e7cef3c1df6cd4331c99
Pin SHA256: K87oWBWM9UZfyddvDfoxL+8lpNyoUB2ptGtn0fv6G2Q=

RSA 2048 bits (e 65537) / SHA1withRSA
Weak or insecure signature, but no impact on root certificate
Path #1: Trusted
1 Sent by server ratnikovastrateg.com
Fingerprint SHA256: 2bb47303450e8f0aabe77ca694ccf25058ab91afb0d763bb7961470f91f06345
Pin SHA256: F6jTih9VkkYZS8yuYqeU/4DUGehJ+niBGkkQ1yg8H3U=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR3
Fingerprint SHA256: 2fe357db13751ff9160e87354975b3407498f41c9bd16a48657866e6e5a9b4c7
Pin SHA256: OdSlmQD9NWJh4EbcOHBxkhygPwNSwA9Q91eounfbcoE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store GTS Root R1   Self-signed
Fingerprint SHA256: d947432abde7b7fa90fc2e6b59101b1280e0e1c7e4e40fa3c6887fff57a7f4cf
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA384withRSA
Path #2: Trusted
1 Sent by server ratnikovastrateg.com
Fingerprint SHA256: 2bb47303450e8f0aabe77ca694ccf25058ab91afb0d763bb7961470f91f06345
Pin SHA256: F6jTih9VkkYZS8yuYqeU/4DUGehJ+niBGkkQ1yg8H3U=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR3
Fingerprint SHA256: 2fe357db13751ff9160e87354975b3407498f41c9bd16a48657866e6e5a9b4c7
Pin SHA256: OdSlmQD9NWJh4EbcOHBxkhygPwNSwA9Q91eounfbcoE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 Sent by server GTS Root R1
Fingerprint SHA256: 3ee0278df71fa3c125c4cd487f01d774694e6fc57e0cd94c24efd769133918e5
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA256withRSA
4 In trust store GlobalSign Root CA   Self-signed
Fingerprint SHA256: ebd41040e4bb3ec742c9e381d31ef2a41a48b6685c96e7cef3c1df6cd4331c99
Pin SHA256: K87oWBWM9UZfyddvDfoxL+8lpNyoUB2ptGtn0fv6G2Q=

RSA 2048 bits (e 65537) / SHA1withRSA
Weak or insecure signature, but no impact on root certificate
Path #1: Trusted
1 Sent by server ratnikovastrateg.com
Fingerprint SHA256: 2bb47303450e8f0aabe77ca694ccf25058ab91afb0d763bb7961470f91f06345
Pin SHA256: F6jTih9VkkYZS8yuYqeU/4DUGehJ+niBGkkQ1yg8H3U=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR3
Fingerprint SHA256: 2fe357db13751ff9160e87354975b3407498f41c9bd16a48657866e6e5a9b4c7
Pin SHA256: OdSlmQD9NWJh4EbcOHBxkhygPwNSwA9Q91eounfbcoE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store GTS Root R1   Self-signed
Fingerprint SHA256: 2a575471e31340bc21581cbd2cf13e158463203ece94bcf9d3cc196bf09a5472
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA384withRSA
Path #2: Trusted
1 Sent by server ratnikovastrateg.com
Fingerprint SHA256: 2bb47303450e8f0aabe77ca694ccf25058ab91afb0d763bb7961470f91f06345
Pin SHA256: F6jTih9VkkYZS8yuYqeU/4DUGehJ+niBGkkQ1yg8H3U=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR3
Fingerprint SHA256: 2fe357db13751ff9160e87354975b3407498f41c9bd16a48657866e6e5a9b4c7
Pin SHA256: OdSlmQD9NWJh4EbcOHBxkhygPwNSwA9Q91eounfbcoE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store GTS Root R1   Self-signed
Fingerprint SHA256: d947432abde7b7fa90fc2e6b59101b1280e0e1c7e4e40fa3c6887fff57a7f4cf
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA384withRSA
Path #3: Trusted
1 Sent by server ratnikovastrateg.com
Fingerprint SHA256: 2bb47303450e8f0aabe77ca694ccf25058ab91afb0d763bb7961470f91f06345
Pin SHA256: F6jTih9VkkYZS8yuYqeU/4DUGehJ+niBGkkQ1yg8H3U=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR3
Fingerprint SHA256: 2fe357db13751ff9160e87354975b3407498f41c9bd16a48657866e6e5a9b4c7
Pin SHA256: OdSlmQD9NWJh4EbcOHBxkhygPwNSwA9Q91eounfbcoE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 Sent by server GTS Root R1
Fingerprint SHA256: 3ee0278df71fa3c125c4cd487f01d774694e6fc57e0cd94c24efd769133918e5
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA256withRSA
4 In trust store GlobalSign Root CA   Self-signed
Fingerprint SHA256: ebd41040e4bb3ec742c9e381d31ef2a41a48b6685c96e7cef3c1df6cd4331c99
Pin SHA256: K87oWBWM9UZfyddvDfoxL+8lpNyoUB2ptGtn0fv6G2Q=

RSA 2048 bits (e 65537) / SHA1withRSA
Weak or insecure signature, but no impact on root certificate

Click here to expand

Certificate #2: RSA 2048 bits (SHA256withRSA)
Server Key and Certificate #1
Subject firebaseapp.com
Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c
Pin SHA256: nBC1sdln+UNagb6xR0D+ucaW+1cvmkkhP121zl+CQ50=
Common names firebaseapp.com
Alternative names firebaseapp.com *.firebaseapp.com   MISMATCH
Serial Number 34af2d795301938f09481bf1c7a04885
Valid from Tue, 26 Aug 2025 18:49:12 UTC
Valid until Mon, 24 Nov 2025 18:49:11 UTC (expires in 2 months and 13 days)
Key RSA 2048 bits (e 65537)
Weak key (Debian) No
Issuer WR4
AIA: http://i.pki.goog/wr4.crt
Signature algorithm SHA256withRSA
Extended Validation No
Certificate Transparency Yes (certificate)
OCSP Must Staple No
Revocation information CRL, OCSP
CRL: http://c.pki.goog/wr4/Ue1IwGN0G1E.crl
OCSP: http://o.pki.goog/s/wr4/NK8
Revocation status Good (not revoked)
Trusted No   NOT TRUSTED
Mozilla  Apple  Android  Java  Windows 


Additional Certificates (if supplied)
Certificates provided 3 (4022 bytes)
Chain issues None
#2
Subject WR4
Fingerprint SHA256: dc9416c2f855126d6de977677538f2f967ff4998e90dfa435a17219be077fc06
Pin SHA256: hZe1OerqJ1Pnq6F4N0gVjjpHqm037Ndf4aLLVpZZdAE=
Valid until Tue, 20 Feb 2029 14:00:00 UTC (expires in 3 years and 5 months)
Key RSA 2048 bits (e 65537)
Issuer GTS Root R1
Signature algorithm SHA256withRSA
#3
Subject GTS Root R1
Fingerprint SHA256: 3ee0278df71fa3c125c4cd487f01d774694e6fc57e0cd94c24efd769133918e5
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=
Valid until Fri, 28 Jan 2028 00:00:42 UTC (expires in 2 years and 4 months)
Key RSA 4096 bits (e 65537)
Issuer GlobalSign Root CA
Signature algorithm SHA256withRSA


Certification Paths
Path #1: Not trusted (invalid certificate [Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c])
1 Sent by server firebaseapp.com
Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c
Pin SHA256: nBC1sdln+UNagb6xR0D+ucaW+1cvmkkhP121zl+CQ50=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR4
Fingerprint SHA256: dc9416c2f855126d6de977677538f2f967ff4998e90dfa435a17219be077fc06
Pin SHA256: hZe1OerqJ1Pnq6F4N0gVjjpHqm037Ndf4aLLVpZZdAE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store GTS Root R1   Self-signed
Fingerprint SHA256: d947432abde7b7fa90fc2e6b59101b1280e0e1c7e4e40fa3c6887fff57a7f4cf
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA384withRSA
Path #2: Not trusted (invalid certificate [Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c])
1 Sent by server firebaseapp.com
Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c
Pin SHA256: nBC1sdln+UNagb6xR0D+ucaW+1cvmkkhP121zl+CQ50=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR4
Fingerprint SHA256: dc9416c2f855126d6de977677538f2f967ff4998e90dfa435a17219be077fc06
Pin SHA256: hZe1OerqJ1Pnq6F4N0gVjjpHqm037Ndf4aLLVpZZdAE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 Sent by server GTS Root R1
Fingerprint SHA256: 3ee0278df71fa3c125c4cd487f01d774694e6fc57e0cd94c24efd769133918e5
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA256withRSA
4 In trust store GlobalSign Root CA   Self-signed
Fingerprint SHA256: ebd41040e4bb3ec742c9e381d31ef2a41a48b6685c96e7cef3c1df6cd4331c99
Pin SHA256: K87oWBWM9UZfyddvDfoxL+8lpNyoUB2ptGtn0fv6G2Q=

RSA 2048 bits (e 65537) / SHA1withRSA
Weak or insecure signature, but no impact on root certificate
Path #1: Not trusted (invalid certificate [Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c])
1 Sent by server firebaseapp.com
Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c
Pin SHA256: nBC1sdln+UNagb6xR0D+ucaW+1cvmkkhP121zl+CQ50=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR4
Fingerprint SHA256: dc9416c2f855126d6de977677538f2f967ff4998e90dfa435a17219be077fc06
Pin SHA256: hZe1OerqJ1Pnq6F4N0gVjjpHqm037Ndf4aLLVpZZdAE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store GTS Root R1   Self-signed
Fingerprint SHA256: d947432abde7b7fa90fc2e6b59101b1280e0e1c7e4e40fa3c6887fff57a7f4cf
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA384withRSA
Path #2: Not trusted (invalid certificate [Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c])
1 Sent by server firebaseapp.com
Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c
Pin SHA256: nBC1sdln+UNagb6xR0D+ucaW+1cvmkkhP121zl+CQ50=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR4
Fingerprint SHA256: dc9416c2f855126d6de977677538f2f967ff4998e90dfa435a17219be077fc06
Pin SHA256: hZe1OerqJ1Pnq6F4N0gVjjpHqm037Ndf4aLLVpZZdAE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 Sent by server GTS Root R1
Fingerprint SHA256: 3ee0278df71fa3c125c4cd487f01d774694e6fc57e0cd94c24efd769133918e5
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA256withRSA
4 In trust store GlobalSign Root CA   Self-signed
Fingerprint SHA256: ebd41040e4bb3ec742c9e381d31ef2a41a48b6685c96e7cef3c1df6cd4331c99
Pin SHA256: K87oWBWM9UZfyddvDfoxL+8lpNyoUB2ptGtn0fv6G2Q=

RSA 2048 bits (e 65537) / SHA1withRSA
Weak or insecure signature, but no impact on root certificate
Path #1: Not trusted (invalid certificate [Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c])
1 Sent by server firebaseapp.com
Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c
Pin SHA256: nBC1sdln+UNagb6xR0D+ucaW+1cvmkkhP121zl+CQ50=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR4
Fingerprint SHA256: dc9416c2f855126d6de977677538f2f967ff4998e90dfa435a17219be077fc06
Pin SHA256: hZe1OerqJ1Pnq6F4N0gVjjpHqm037Ndf4aLLVpZZdAE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store GTS Root R1   Self-signed
Fingerprint SHA256: d947432abde7b7fa90fc2e6b59101b1280e0e1c7e4e40fa3c6887fff57a7f4cf
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA384withRSA
Path #2: Not trusted (invalid certificate [Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c])
1 Sent by server firebaseapp.com
Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c
Pin SHA256: nBC1sdln+UNagb6xR0D+ucaW+1cvmkkhP121zl+CQ50=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR4
Fingerprint SHA256: dc9416c2f855126d6de977677538f2f967ff4998e90dfa435a17219be077fc06
Pin SHA256: hZe1OerqJ1Pnq6F4N0gVjjpHqm037Ndf4aLLVpZZdAE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 Sent by server GTS Root R1
Fingerprint SHA256: 3ee0278df71fa3c125c4cd487f01d774694e6fc57e0cd94c24efd769133918e5
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA256withRSA
4 In trust store GlobalSign Root CA   Self-signed
Fingerprint SHA256: ebd41040e4bb3ec742c9e381d31ef2a41a48b6685c96e7cef3c1df6cd4331c99
Pin SHA256: K87oWBWM9UZfyddvDfoxL+8lpNyoUB2ptGtn0fv6G2Q=

RSA 2048 bits (e 65537) / SHA1withRSA
Weak or insecure signature, but no impact on root certificate
Path #1: Not trusted (invalid certificate [Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c])
1 Sent by server firebaseapp.com
Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c
Pin SHA256: nBC1sdln+UNagb6xR0D+ucaW+1cvmkkhP121zl+CQ50=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR4
Fingerprint SHA256: dc9416c2f855126d6de977677538f2f967ff4998e90dfa435a17219be077fc06
Pin SHA256: hZe1OerqJ1Pnq6F4N0gVjjpHqm037Ndf4aLLVpZZdAE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store GTS Root R1   Self-signed
Fingerprint SHA256: d947432abde7b7fa90fc2e6b59101b1280e0e1c7e4e40fa3c6887fff57a7f4cf
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA384withRSA
Path #2: Not trusted (invalid certificate [Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c])
1 Sent by server firebaseapp.com
Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c
Pin SHA256: nBC1sdln+UNagb6xR0D+ucaW+1cvmkkhP121zl+CQ50=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR4
Fingerprint SHA256: dc9416c2f855126d6de977677538f2f967ff4998e90dfa435a17219be077fc06
Pin SHA256: hZe1OerqJ1Pnq6F4N0gVjjpHqm037Ndf4aLLVpZZdAE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 Sent by server GTS Root R1
Fingerprint SHA256: 3ee0278df71fa3c125c4cd487f01d774694e6fc57e0cd94c24efd769133918e5
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA256withRSA
4 In trust store GlobalSign Root CA   Self-signed
Fingerprint SHA256: ebd41040e4bb3ec742c9e381d31ef2a41a48b6685c96e7cef3c1df6cd4331c99
Pin SHA256: K87oWBWM9UZfyddvDfoxL+8lpNyoUB2ptGtn0fv6G2Q=

RSA 2048 bits (e 65537) / SHA1withRSA
Weak or insecure signature, but no impact on root certificate
Path #1: Not trusted (invalid certificate [Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c])
1 Sent by server firebaseapp.com
Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c
Pin SHA256: nBC1sdln+UNagb6xR0D+ucaW+1cvmkkhP121zl+CQ50=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR4
Fingerprint SHA256: dc9416c2f855126d6de977677538f2f967ff4998e90dfa435a17219be077fc06
Pin SHA256: hZe1OerqJ1Pnq6F4N0gVjjpHqm037Ndf4aLLVpZZdAE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store GTS Root R1   Self-signed
Fingerprint SHA256: 2a575471e31340bc21581cbd2cf13e158463203ece94bcf9d3cc196bf09a5472
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA384withRSA
Path #2: Not trusted (invalid certificate [Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c])
1 Sent by server firebaseapp.com
Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c
Pin SHA256: nBC1sdln+UNagb6xR0D+ucaW+1cvmkkhP121zl+CQ50=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR4
Fingerprint SHA256: dc9416c2f855126d6de977677538f2f967ff4998e90dfa435a17219be077fc06
Pin SHA256: hZe1OerqJ1Pnq6F4N0gVjjpHqm037Ndf4aLLVpZZdAE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store GTS Root R1   Self-signed
Fingerprint SHA256: d947432abde7b7fa90fc2e6b59101b1280e0e1c7e4e40fa3c6887fff57a7f4cf
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA384withRSA
Path #3: Not trusted (invalid certificate [Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c])
1 Sent by server firebaseapp.com
Fingerprint SHA256: 018100141fa64992b9f07caad7f4527301a60874f2a06cecaf35963e528f147c
Pin SHA256: nBC1sdln+UNagb6xR0D+ucaW+1cvmkkhP121zl+CQ50=

RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server WR4
Fingerprint SHA256: dc9416c2f855126d6de977677538f2f967ff4998e90dfa435a17219be077fc06
Pin SHA256: hZe1OerqJ1Pnq6F4N0gVjjpHqm037Ndf4aLLVpZZdAE=

RSA 2048 bits (e 65537) / SHA256withRSA
3 Sent by server GTS Root R1
Fingerprint SHA256: 3ee0278df71fa3c125c4cd487f01d774694e6fc57e0cd94c24efd769133918e5
Pin SHA256: hxqRlPTu1bMS/0DITB1SSu0vd4u/8l8TjPgfaAp63Gc=

RSA 4096 bits (e 65537) / SHA256withRSA
4 In trust store GlobalSign Root CA   Self-signed
Fingerprint SHA256: ebd41040e4bb3ec742c9e381d31ef2a41a48b6685c96e7cef3c1df6cd4331c99
Pin SHA256: K87oWBWM9UZfyddvDfoxL+8lpNyoUB2ptGtn0fv6G2Q=

RSA 2048 bits (e 65537) / SHA1withRSA
Weak or insecure signature, but no impact on root certificate

Click here to expand

Click here to expand

Configuration
Protocols
TLS 1.3 Yes
TLS 1.2 Yes*
TLS 1.1 No
TLS 1.0 No
SSL 3 No
SSL 2 No
(*) Experimental: Server negotiated using No-SNI


Cipher Suites
# TLS 1.3 (suites in server-preferred order)
TLS_AES_128_GCM_SHA256 (0x1301)   ECDH x25519 (eq. 3072 bits RSA)   FS 128
TLS_AES_256_GCM_SHA384 (0x1302)   ECDH x25519 (eq. 3072 bits RSA)   FS 256
TLS_CHACHA20_POLY1305_SHA256 (0x1303)   ECDH x25519 (eq. 3072 bits RSA)   FS 256P
# TLS 1.2 (suites in server-preferred order)
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (0xc02f)   ECDH x25519 (eq. 3072 bits RSA)   FS 128
TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 (0xcca8)   ECDH x25519 (eq. 3072 bits RSA)   FS 256P
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (0xc030)   ECDH x25519 (eq. 3072 bits RSA)   FS 256
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 (0xc027)   ECDH x25519 (eq. 3072 bits RSA)   FS   WEAK 128
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA (0xc013)   ECDH x25519 (eq. 3072 bits RSA)   FS   WEAK 128
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA (0xc014)   ECDH x25519 (eq. 3072 bits RSA)   FS   WEAK 256
TLS_RSA_WITH_AES_128_GCM_SHA256 (0x9c)   WEAK 128
TLS_RSA_WITH_AES_128_CBC_SHA (0x2f)   WEAK 128
TLS_RSA_WITH_AES_256_CBC_SHA (0x35)   WEAK 256
(P) This server prefers ChaCha20 suites with clients that don't have AES-NI (e.g., Android devices)


Handshake Simulation
Android 4.4.2 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Android 5.0.0 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Android 6.0 RSA 2048 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Android 7.0 RSA 2048 (SHA256)   TLS 1.2 > h2   TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256   ECDH x25519  FS
Android 8.0 RSA 2048 (SHA256)   TLS 1.2 > h2   TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256   ECDH x25519  FS
Android 8.1 -   TLS 1.3 TLS_AES_128_GCM_SHA256   ECDH x25519  FS
Android 9.0 -   TLS 1.3 TLS_AES_128_GCM_SHA256   ECDH x25519  FS
BingPreview Jan 2015 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Chrome 49 / XP SP3 RSA 2048 (SHA256)   TLS 1.2 > h2   TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Chrome 69 / Win 7  R RSA 2048 (SHA256)   TLS 1.2 > h2   TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH x25519  FS
Chrome 70 / Win 10 -   TLS 1.3 TLS_AES_128_GCM_SHA256   ECDH x25519  FS
Chrome 80 / Win 10  R -   TLS 1.3 TLS_AES_128_GCM_SHA256   ECDH x25519  FS
Firefox 31.3.0 ESR / Win 7 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Firefox 47 / Win 7  R RSA 2048 (SHA256)   TLS 1.2 > h2   TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Firefox 49 / XP SP3 RSA 2048 (SHA256)   TLS 1.2 > h2   TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Firefox 62 / Win 7  R RSA 2048 (SHA256)   TLS 1.2 > h2   TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH x25519  FS
Firefox 73 / Win 10  R -   TLS 1.3 TLS_AES_128_GCM_SHA256   ECDH x25519  FS
Googlebot Feb 2018 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH x25519  FS
IE 11 / Win 7  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256   ECDH secp256r1  FS
IE 11 / Win 8.1  R RSA 2048 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256   ECDH secp256r1  FS
IE 11 / Win Phone 8.1  R RSA 2048 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256   ECDH secp256r1  FS
IE 11 / Win Phone 8.1 Update  R RSA 2048 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256   ECDH secp256r1  FS
IE 11 / Win 10  R RSA 2048 (SHA256)   TLS 1.2 > h2   TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Edge 15 / Win 10  R RSA 2048 (SHA256)   TLS 1.2 > h2   TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH x25519  FS
Edge 16 / Win 10  R RSA 2048 (SHA256)   TLS 1.2 > h2   TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH x25519  FS
Edge 18 / Win 10  R RSA 2048 (SHA256)   TLS 1.2 > h2   TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH x25519  FS
Edge 13 / Win Phone 10  R RSA 2048 (SHA256)   TLS 1.2 > h2   TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Java 8u161 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Java 11.0.3 -   TLS 1.3 TLS_AES_128_GCM_SHA256   ECDH secp256r1  FS
Java 12.0.1 -   TLS 1.3 TLS_AES_128_GCM_SHA256   ECDH secp256r1  FS
OpenSSL 1.0.1l  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
OpenSSL 1.0.2s  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
OpenSSL 1.1.0k  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256   ECDH x25519  FS
OpenSSL 1.1.1c  R -   TLS 1.3 TLS_AES_128_GCM_SHA256   ECDH x25519  FS
Safari 6 / iOS 6.0.1 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256   ECDH secp256r1  FS
Safari 7 / iOS 7.1  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256   ECDH secp256r1  FS
Safari 7 / OS X 10.9  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256   ECDH secp256r1  FS
Safari 8 / iOS 8.4  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256   ECDH secp256r1  FS
Safari 8 / OS X 10.10  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256   ECDH secp256r1  FS
Safari 9 / iOS 9  R RSA 2048 (SHA256)   TLS 1.2 > h2   TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Safari 9 / OS X 10.11  R RSA 2048 (SHA256)   TLS 1.2 > h2   TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Safari 10 / iOS 10  R RSA 2048 (SHA256)   TLS 1.2 > h2   TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Safari 10 / OS X 10.12  R RSA 2048 (SHA256)   TLS 1.2 > h2   TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Safari 12.1.2 / MacOS 10.14.6 Beta  R -   TLS 1.3 TLS_CHACHA20_POLY1305_SHA256   ECDH x25519  FS
Safari 12.1.1 / iOS 12.3.1  R -   TLS 1.3 TLS_CHACHA20_POLY1305_SHA256   ECDH x25519  FS
Apple ATS 9 / iOS 9  R RSA 2048 (SHA256)   TLS 1.2 > h2   TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Yahoo Slurp Jan 2015 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
YandexBot Jan 2015 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
# Not simulated clients (Protocol mismatch)
Android 2.3.7   No SNI 2 Protocol mismatch (not simulated)
Android 4.0.4 Protocol mismatch (not simulated)
Android 4.1.1 Protocol mismatch (not simulated)
Android 4.2.2 Protocol mismatch (not simulated)
Android 4.3 Protocol mismatch (not simulated)
Baidu Jan 2015 Protocol mismatch (not simulated)
IE 6 / XP   No FS 1   No SNI 2 Protocol mismatch (not simulated)
IE 7 / Vista Protocol mismatch (not simulated)
IE 8 / XP   No FS 1   No SNI 2 Protocol mismatch (not simulated)
IE 8-10 / Win 7  R Protocol mismatch (not simulated)
IE 10 / Win Phone 8.0 Protocol mismatch (not simulated)
Java 6u45   No SNI 2 Protocol mismatch (not simulated)
Java 7u25 Protocol mismatch (not simulated)
OpenSSL 0.9.8y Protocol mismatch (not simulated)
Safari 5.1.9 / OS X 10.6.8 Protocol mismatch (not simulated)
Safari 6.0.4 / OS X 10.8.4  R Protocol mismatch (not simulated)

Click here to expand

(1) Clients that do not support Forward Secrecy (FS) are excluded when determining support for it.
(2) No support for virtual SSL hosting (SNI). Connects to the default site if the server uses SNI.
(3) Only first connection attempt simulated. Browsers sometimes retry with a lower protocol version.
(R) Denotes a reference browser or client, with which we expect better effective security.
(All) We use defaults, but some platforms do not use their best protocols and features (e.g., Java 6 & 7, older IE).
(All) Certificate trust is not checked in handshake simulation, we only perform TLS handshake.


Protocol Details
Secure Renegotiation Supported
Secure Client-Initiated Renegotiation No
Insecure Client-Initiated Renegotiation No
BEAST attack Mitigated server-side (more info)  
POODLE (SSLv3) No, SSL 3 not supported (more info)
POODLE (TLS) No (more info)
Zombie POODLE No (more info)   TLS 1.2 : 0xc027
GOLDENDOODLE No (more info)   TLS 1.2 : 0xc027
OpenSSL 0-Length No (more info)   TLS 1.2 : 0xc027
Sleeping POODLE No (more info)   TLS 1.2 : 0xc027
Downgrade attack prevention Yes, TLS_FALLBACK_SCSV supported (more info)
SSL/TLS compression No
RC4 No
Heartbeat (extension) No
Heartbleed (vulnerability) No (more info)
Ticketbleed (vulnerability) No (more info)
OpenSSL CCS vuln. (CVE-2014-0224) No (more info)
OpenSSL Padding Oracle vuln.
(CVE-2016-2107)
No (more info)
ROBOT (vulnerability) No (more info)
Forward Secrecy Yes (with most browsers)   ROBUST (more info)
ALPN Yes   h2 http/1.1
NPN No
Session resumption (caching) No (IDs assigned but not accepted)
Session resumption (tickets) Yes
OCSP stapling Yes
Strict Transport Security (HSTS) Yes
max-age=31556926
HSTS Preloading Chrome  Edge  Firefox  IE   
Public Key Pinning (HPKP) No (more info)
Public Key Pinning Report-Only No
Public Key Pinning (Static) No (more info)
Long handshake intolerance No
TLS extension intolerance No
TLS version intolerance No
Incorrect SNI alerts No
Uses common DH primes No, DHE suites not supported
DH public server param (Ys) reuse No, DHE suites not supported
ECDH public server param reuse No
Supported Named Groups x25519, secp256r1, secp384r1 (server preferred order)
SSL 2 handshake compatibility No
0-RTT enabled No


HTTP Requests
1 https://signup.naturalcycles.com/  (HTTP/1.1 200 OK)
1
Connection close
Content-Length 5266
Cache-Control public, max-age=0, must-revalidate
Content-Type text/html; charset=utf-8
Etag "e36a12672fba23b82281e3410ecdeb7f3ff5998026278e06e29c3394bab19274"
Last-Modified Wed, 10 Sep 2025 15:22:08 GMT
Strict-Transport-Security max-age=31556926
X-Content-Type-Options nosniff
X-Frame-Options DENY
Accept-Ranges bytes
Date Wed, 10 Sep 2025 19:24:55 GMT
X-Served-By cache-hhr-khhr2060046-HHR
X-Cache MISS
X-Cache-Hits 0
X-Timer S1757532295.405186,VS0,VE108
Vary x-fh-requested-host, accept-encoding
alt-svc h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400


Miscellaneous
Test date Wed, 10 Sep 2025 19:24:49 UTC
Test duration 96.506 seconds
HTTP status code 200
HTTP server signature -
Server hostname -


SSL Report v2.4.1