SSL Report: www.mostostal.siedlce.pl (212.160.202.132)
Assessed on:  Wed, 17 Dec 2025 12:02:25 UTC | Clear cache
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Summary
Overall Rating
B
0
20
40
60
80
100
Certificate
 
Protocol Support
 
Key Exchange
 
Cipher Strength
 

Visit our documentation page for more information, configuration guides, and books. Known issues are documented here.
This server does not support Forward Secrecy with the reference browsers. Grade capped to B.  MORE INFO »
This server does not support TLS 1.3.  MORE INFO »
This site works only in browsers with SNI support.
Certificate #1: RSA 2048 bits (SHA256withRSA)
Server Key and Certificate #1
Subject mostostal.siedlce.pl
Fingerprint SHA256: 108761293c359af2b2c9e2ab9fe8ba37d358eaed9d1abe3b4371c2f476ec78d1
Pin SHA256: CJuRyiuo851hiBCEgE3EpucLqjpo2n6DWWzBaEWiaM4=
Common names mostostal.siedlce.pl
Alternative names mostostal.siedlce.pl www.mostostal.siedlce.pl
Serial Number 07bfe0e65feb10516efdfa1d00875f09
Valid from Mon, 25 Aug 2025 10:26:10 UTC
Valid until Tue, 25 Aug 2026 10:26:09 UTC (expires in 8 months and 7 days)
Key RSA 2048 bits (e 65537)
Weak key (Debian) No
Issuer Certum Domain Validation CA SHA2
AIA: http://repository.certum.pl/dvcasha2.cer
Signature algorithm SHA256withRSA
Extended Validation No
Certificate Transparency Yes (certificate)
OCSP Must Staple No
Revocation information CRL, OCSP
CRL: http://crl.certum.pl/dvcasha2.crl
OCSP: http://dvcasha2.ocsp-certum.com
Revocation status Good (not revoked)
DNS CAA No (more info)
Trusted Yes
Mozilla  Apple  Android  Java  Windows 


Additional Certificates (if supplied)
Certificates provided 3 (3863 bytes)
Chain issues Contains anchor
#2
Subject Certum Domain Validation CA SHA2
Fingerprint SHA256: 129fb5de501e24041cd14a81075fd1cde257408d4a353e636912e38bdda2d3fb
Pin SHA256: S4AbJNGvyS57nzJwv8sPMUML8VHSqH1vbiBftdPcErI=
Valid until Wed, 09 Jun 2027 10:46:39 UTC (expires in 1 year and 5 months)
Key RSA 2048 bits (e 65537)
Issuer Certum Trusted Network CA
Signature algorithm SHA256withRSA
#3
Subject Certum Trusted Network CA   In trust store
Fingerprint SHA256: 5c58468d55f58e497e743982d2b50010b6d165374acf83a7d4a32db768c4408e
Pin SHA256: qiYwp7YXsE0KKUureoyqpQFubb5gSDeoOoVxn6tmfrU=
Valid until Mon, 31 Dec 2029 12:07:37 UTC (expires in 4 years)
Key RSA 2048 bits (e 65537)
Issuer Certum Trusted Network CA   Self-signed
Signature algorithm SHA1withRSA   Weak, but no impact on root certificate


Certification Paths
Path #1: Trusted
1 Sent by server mostostal.siedlce.pl
Fingerprint SHA256: 108761293c359af2b2c9e2ab9fe8ba37d358eaed9d1abe3b4371c2f476ec78d1
Pin SHA256: CJuRyiuo851hiBCEgE3EpucLqjpo2n6DWWzBaEWiaM4=
RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server Certum Domain Validation CA SHA2
Fingerprint SHA256: 129fb5de501e24041cd14a81075fd1cde257408d4a353e636912e38bdda2d3fb
Pin SHA256: S4AbJNGvyS57nzJwv8sPMUML8VHSqH1vbiBftdPcErI=
RSA 2048 bits (e 65537) / SHA256withRSA
3 Sent by server
In trust store 		Certum Trusted Network CA   Self-signed
Fingerprint SHA256: 5c58468d55f58e497e743982d2b50010b6d165374acf83a7d4a32db768c4408e
Pin SHA256: qiYwp7YXsE0KKUureoyqpQFubb5gSDeoOoVxn6tmfrU=
RSA 2048 bits (e 65537) / SHA1withRSA
Weak or insecure signature, but no impact on root certificate
Path #1: Trusted
1 Sent by server mostostal.siedlce.pl
Fingerprint SHA256: 108761293c359af2b2c9e2ab9fe8ba37d358eaed9d1abe3b4371c2f476ec78d1
Pin SHA256: CJuRyiuo851hiBCEgE3EpucLqjpo2n6DWWzBaEWiaM4=
RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server Certum Domain Validation CA SHA2
Fingerprint SHA256: 129fb5de501e24041cd14a81075fd1cde257408d4a353e636912e38bdda2d3fb
Pin SHA256: S4AbJNGvyS57nzJwv8sPMUML8VHSqH1vbiBftdPcErI=
RSA 2048 bits (e 65537) / SHA256withRSA
3 Sent by server
In trust store 		Certum Trusted Network CA   Self-signed
Fingerprint SHA256: 5c58468d55f58e497e743982d2b50010b6d165374acf83a7d4a32db768c4408e
Pin SHA256: qiYwp7YXsE0KKUureoyqpQFubb5gSDeoOoVxn6tmfrU=
RSA 2048 bits (e 65537) / SHA1withRSA
Weak or insecure signature, but no impact on root certificate
Path #1: Trusted
1 Sent by server mostostal.siedlce.pl
Fingerprint SHA256: 108761293c359af2b2c9e2ab9fe8ba37d358eaed9d1abe3b4371c2f476ec78d1
Pin SHA256: CJuRyiuo851hiBCEgE3EpucLqjpo2n6DWWzBaEWiaM4=
RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server Certum Domain Validation CA SHA2
Fingerprint SHA256: 129fb5de501e24041cd14a81075fd1cde257408d4a353e636912e38bdda2d3fb
Pin SHA256: S4AbJNGvyS57nzJwv8sPMUML8VHSqH1vbiBftdPcErI=
RSA 2048 bits (e 65537) / SHA256withRSA
3 Sent by server
In trust store 		Certum Trusted Network CA   Self-signed
Fingerprint SHA256: 5c58468d55f58e497e743982d2b50010b6d165374acf83a7d4a32db768c4408e
Pin SHA256: qiYwp7YXsE0KKUureoyqpQFubb5gSDeoOoVxn6tmfrU=
RSA 2048 bits (e 65537) / SHA1withRSA
Weak or insecure signature, but no impact on root certificate
Path #1: Trusted
1 Sent by server mostostal.siedlce.pl
Fingerprint SHA256: 108761293c359af2b2c9e2ab9fe8ba37d358eaed9d1abe3b4371c2f476ec78d1
Pin SHA256: CJuRyiuo851hiBCEgE3EpucLqjpo2n6DWWzBaEWiaM4=
RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server Certum Domain Validation CA SHA2
Fingerprint SHA256: 129fb5de501e24041cd14a81075fd1cde257408d4a353e636912e38bdda2d3fb
Pin SHA256: S4AbJNGvyS57nzJwv8sPMUML8VHSqH1vbiBftdPcErI=
RSA 2048 bits (e 65537) / SHA256withRSA
3 Sent by server
In trust store 		Certum Trusted Network CA   Self-signed
Fingerprint SHA256: 5c58468d55f58e497e743982d2b50010b6d165374acf83a7d4a32db768c4408e
Pin SHA256: qiYwp7YXsE0KKUureoyqpQFubb5gSDeoOoVxn6tmfrU=
RSA 2048 bits (e 65537) / SHA1withRSA
Weak or insecure signature, but no impact on root certificate
Path #1: Trusted
1 Sent by server mostostal.siedlce.pl
Fingerprint SHA256: 108761293c359af2b2c9e2ab9fe8ba37d358eaed9d1abe3b4371c2f476ec78d1
Pin SHA256: CJuRyiuo851hiBCEgE3EpucLqjpo2n6DWWzBaEWiaM4=
RSA 2048 bits (e 65537) / SHA256withRSA
2 Sent by server Certum Domain Validation CA SHA2
Fingerprint SHA256: 129fb5de501e24041cd14a81075fd1cde257408d4a353e636912e38bdda2d3fb
Pin SHA256: S4AbJNGvyS57nzJwv8sPMUML8VHSqH1vbiBftdPcErI=
RSA 2048 bits (e 65537) / SHA256withRSA
3 Sent by server
In trust store 		Certum Trusted Network CA   Self-signed
Fingerprint SHA256: 5c58468d55f58e497e743982d2b50010b6d165374acf83a7d4a32db768c4408e
Pin SHA256: qiYwp7YXsE0KKUureoyqpQFubb5gSDeoOoVxn6tmfrU=
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) No SNI
Server Key and Certificate #1
Subject *.pxms.pl
Fingerprint SHA256: d4eda9dbc249b42d65ebb56f6f323cb15e514db1b5f7191027316a4f62975783
Pin SHA256: nP46elgroJk9eLc6V8BX6nhgWPtsfiqTumtL9WPIVGs=
Common names *.pxms.pl
Alternative names *.pxms.pl pxms.pl   MISMATCH
Serial Number 38a6e0d089746398f25b4c565fdbef37
Valid from Tue, 24 Jun 2025 06:45:19 UTC
Valid until Wed, 24 Jun 2026 06:45:18 UTC (expires in 6 months and 6 days)
Key RSA 2048 bits (e 65537)
Weak key (Debian) No
Issuer Certum Domain Validation CA SHA2
AIA: http://repository.certum.pl/dvcasha2.cer
Signature algorithm SHA256withRSA
Extended Validation No
Certificate Transparency Yes (certificate)
OCSP Must Staple No
Revocation information CRL, OCSP
CRL: http://crl.certum.pl/dvcasha2.crl
OCSP: http://dvcasha2.ocsp-certum.com
Revocation status Good (not revoked)
Trusted No   NOT TRUSTED
Mozilla  Apple  Android  Java  Windows 


Additional Certificates (if supplied)
Certificates provided 6 (5046 bytes)
Chain issues Incomplete, Extra certs, Contains anchor
#2
Subject Certum Level I
Fingerprint SHA256: 190fcf1d40e5b3e592d36013fd17479b546e36e3256a05349effb2217a7bf687
Pin SHA256: zORRlM4EtT1zuXLvq0sAqNO5c2ytShZFH7oUwZcSoBQ=
Valid until Thu, 12 Jul 2012 16:31:53 UTC (expired 13 years and 5 months ago)   EXPIRED
Key RSA 1024 bits (e 65537)   WEAK
Issuer Certum CA
Signature algorithm SHA1withRSA   INSECURE
#3
Subject Certum Level II
Fingerprint SHA256: 17b86a0e56014046d98e94515a8797eda4e7e53ae9645aa8169ecf5fc462f667
Pin SHA256: gHZ/hG37p9ZUxiKw9QbrH9KDrjRWXUAXzLnG1H2/I/g=
Valid until Thu, 12 Jul 2012 16:32:03 UTC (expired 13 years and 5 months ago)   EXPIRED
Key RSA 1024 bits (e 65537)   WEAK
Issuer Certum CA
Signature algorithm SHA1withRSA   INSECURE
#4
Subject Certum Level III
Fingerprint SHA256: 2c44992ae79173a4a650bac2bcc191c505237f905acf3fb36c9dd923ef3559a1
Pin SHA256: fPYdc5sdXga01Gc+sB12XSQLEIBjcBP932kcQmjTjUk=
Valid until Thu, 12 Jul 2012 16:32:17 UTC (expired 13 years and 5 months ago)   EXPIRED
Key RSA 1024 bits (e 65537)   WEAK
Issuer Certum CA
Signature algorithm SHA1withRSA   INSECURE
#5
Subject Certum Level IV
Fingerprint SHA256: 6d7432eb28081565733039d15319f85872ea2e149d5f322f6a746348001060dc
Pin SHA256: ESl0XmCHpOwDAG3FwOgghSlRZ4vyCPyD63ZRYEwSx2g=
Valid until Thu, 12 Jul 2012 16:32:35 UTC (expired 13 years and 5 months ago)   EXPIRED
Key RSA 1024 bits (e 65537)   WEAK
Issuer Certum CA
Signature algorithm SHA1withRSA   INSECURE
#6
Subject Certum CA   Not in trust store
Fingerprint SHA256: d8e0febc1db2e38d00940f37d27d41344d993e734b99d5656d9778d4d8143624
Pin SHA256: lzasOyXRbEWkVBipZFeBVkgKjMQ0VB3cXdWSMyKYaN4=
Valid until Fri, 11 Jun 2027 10:46:39 UTC (expires in 1 year and 5 months)
Key RSA 2048 bits (e 65537)
Issuer Certum CA   Self-signed
Signature algorithm SHA1withRSA   Weak, but no impact on root certificate


Certification Paths
Path #1: Not trusted (invalid certificate [Fingerprint SHA256: d4eda9dbc249b42d65ebb56f6f323cb15e514db1b5f7191027316a4f62975783])
1 Sent by server *.pxms.pl
Fingerprint SHA256: d4eda9dbc249b42d65ebb56f6f323cb15e514db1b5f7191027316a4f62975783
Pin SHA256: nP46elgroJk9eLc6V8BX6nhgWPtsfiqTumtL9WPIVGs=
RSA 2048 bits (e 65537) / SHA256withRSA
2 Extra download Certum Domain Validation CA SHA2
Fingerprint SHA256: 129fb5de501e24041cd14a81075fd1cde257408d4a353e636912e38bdda2d3fb
Pin SHA256: S4AbJNGvyS57nzJwv8sPMUML8VHSqH1vbiBftdPcErI=
RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store Certum Trusted Network CA   Self-signed
Fingerprint SHA256: 5c58468d55f58e497e743982d2b50010b6d165374acf83a7d4a32db768c4408e
Pin SHA256: qiYwp7YXsE0KKUureoyqpQFubb5gSDeoOoVxn6tmfrU=
RSA 2048 bits (e 65537) / SHA1withRSA
Weak or insecure signature, but no impact on root certificate
Path #1: Not trusted (invalid certificate [Fingerprint SHA256: d4eda9dbc249b42d65ebb56f6f323cb15e514db1b5f7191027316a4f62975783])
1 Sent by server *.pxms.pl
Fingerprint SHA256: d4eda9dbc249b42d65ebb56f6f323cb15e514db1b5f7191027316a4f62975783
Pin SHA256: nP46elgroJk9eLc6V8BX6nhgWPtsfiqTumtL9WPIVGs=
RSA 2048 bits (e 65537) / SHA256withRSA
2 Extra download Certum Domain Validation CA SHA2
Fingerprint SHA256: 129fb5de501e24041cd14a81075fd1cde257408d4a353e636912e38bdda2d3fb
Pin SHA256: S4AbJNGvyS57nzJwv8sPMUML8VHSqH1vbiBftdPcErI=
RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store Certum Trusted Network CA   Self-signed
Fingerprint SHA256: 5c58468d55f58e497e743982d2b50010b6d165374acf83a7d4a32db768c4408e
Pin SHA256: qiYwp7YXsE0KKUureoyqpQFubb5gSDeoOoVxn6tmfrU=
RSA 2048 bits (e 65537) / SHA1withRSA
Weak or insecure signature, but no impact on root certificate
Path #1: Not trusted (invalid certificate [Fingerprint SHA256: d4eda9dbc249b42d65ebb56f6f323cb15e514db1b5f7191027316a4f62975783])
1 Sent by server *.pxms.pl
Fingerprint SHA256: d4eda9dbc249b42d65ebb56f6f323cb15e514db1b5f7191027316a4f62975783
Pin SHA256: nP46elgroJk9eLc6V8BX6nhgWPtsfiqTumtL9WPIVGs=
RSA 2048 bits (e 65537) / SHA256withRSA
2 Extra download Certum Domain Validation CA SHA2
Fingerprint SHA256: 129fb5de501e24041cd14a81075fd1cde257408d4a353e636912e38bdda2d3fb
Pin SHA256: S4AbJNGvyS57nzJwv8sPMUML8VHSqH1vbiBftdPcErI=
RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store Certum Trusted Network CA   Self-signed
Fingerprint SHA256: 5c58468d55f58e497e743982d2b50010b6d165374acf83a7d4a32db768c4408e
Pin SHA256: qiYwp7YXsE0KKUureoyqpQFubb5gSDeoOoVxn6tmfrU=
RSA 2048 bits (e 65537) / SHA1withRSA
Weak or insecure signature, but no impact on root certificate
Path #1: Not trusted (invalid certificate [Fingerprint SHA256: d4eda9dbc249b42d65ebb56f6f323cb15e514db1b5f7191027316a4f62975783])
1 Sent by server *.pxms.pl
Fingerprint SHA256: d4eda9dbc249b42d65ebb56f6f323cb15e514db1b5f7191027316a4f62975783
Pin SHA256: nP46elgroJk9eLc6V8BX6nhgWPtsfiqTumtL9WPIVGs=
RSA 2048 bits (e 65537) / SHA256withRSA
2 Extra download Certum Domain Validation CA SHA2
Fingerprint SHA256: 129fb5de501e24041cd14a81075fd1cde257408d4a353e636912e38bdda2d3fb
Pin SHA256: S4AbJNGvyS57nzJwv8sPMUML8VHSqH1vbiBftdPcErI=
RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store Certum Trusted Network CA   Self-signed
Fingerprint SHA256: 5c58468d55f58e497e743982d2b50010b6d165374acf83a7d4a32db768c4408e
Pin SHA256: qiYwp7YXsE0KKUureoyqpQFubb5gSDeoOoVxn6tmfrU=
RSA 2048 bits (e 65537) / SHA1withRSA
Weak or insecure signature, but no impact on root certificate
Path #1: Not trusted (invalid certificate [Fingerprint SHA256: d4eda9dbc249b42d65ebb56f6f323cb15e514db1b5f7191027316a4f62975783])
1 Sent by server *.pxms.pl
Fingerprint SHA256: d4eda9dbc249b42d65ebb56f6f323cb15e514db1b5f7191027316a4f62975783
Pin SHA256: nP46elgroJk9eLc6V8BX6nhgWPtsfiqTumtL9WPIVGs=
RSA 2048 bits (e 65537) / SHA256withRSA
2 Extra download Certum Domain Validation CA SHA2
Fingerprint SHA256: 129fb5de501e24041cd14a81075fd1cde257408d4a353e636912e38bdda2d3fb
Pin SHA256: S4AbJNGvyS57nzJwv8sPMUML8VHSqH1vbiBftdPcErI=
RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store Certum Trusted Network CA   Self-signed
Fingerprint SHA256: 5c58468d55f58e497e743982d2b50010b6d165374acf83a7d4a32db768c4408e
Pin SHA256: qiYwp7YXsE0KKUureoyqpQFubb5gSDeoOoVxn6tmfrU=
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 No
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 1.2 (server has no preference)
TLS_RSA_WITH_AES_128_CBC_SHA (0x2f)   WEAK 128
TLS_DHE_RSA_WITH_AES_128_CBC_SHA (0x33)   DH 2048 bits   FS   WEAK 128
TLS_RSA_WITH_CAMELLIA_128_CBC_SHA (0x41)   WEAK 128
TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA (0x45)   DH 2048 bits   FS   WEAK 128
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA (0xc013)   ECDH secp256r1 (eq. 3072 bits RSA)   FS   WEAK 128
TLS_RSA_WITH_AES_128_CBC_SHA256 (0x3c)   WEAK 128
TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 (0x67)   DH 2048 bits   FS   WEAK 128
TLS_RSA_WITH_AES_128_GCM_SHA256 (0x9c)   WEAK 128
TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 (0x9e)   DH 2048 bits   FS 128
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 (0xc027)   ECDH secp256r1 (eq. 3072 bits RSA)   FS   WEAK 128
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (0xc02f)   ECDH secp256r1 (eq. 3072 bits RSA)   FS 128
TLS_RSA_WITH_AES_256_CBC_SHA (0x35)   WEAK 256
TLS_DHE_RSA_WITH_AES_256_CBC_SHA (0x39)   DH 2048 bits   FS   WEAK 256
TLS_RSA_WITH_CAMELLIA_256_CBC_SHA (0x84)   WEAK 256
TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA (0x88)   DH 2048 bits   FS   WEAK 256
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA (0xc014)   ECDH secp256r1 (eq. 3072 bits RSA)   FS   WEAK 256
TLS_RSA_WITH_AES_256_CBC_SHA256 (0x3d)   WEAK 256
TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 (0x6b)   DH 2048 bits   FS   WEAK 256
TLS_RSA_WITH_AES_256_GCM_SHA384 (0x9d)   WEAK 256
TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 (0x9f)   DH 2048 bits   FS 256
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 (0xc028)   ECDH secp256r1 (eq. 3072 bits RSA)   FS   WEAK 256
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (0xc030)   ECDH secp256r1 (eq. 3072 bits RSA)   FS 256


Handshake Simulation
Android 4.4.2 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Android 5.0.0 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA   ECDH secp256r1  FS
Android 6.0 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Android 7.0 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Android 8.0 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Android 8.1 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Android 9.0 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
BingPreview Jan 2015 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Chrome 49 / XP SP3 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Chrome 69 / Win 7  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Chrome 70 / Win 10 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Chrome 80 / Win 10  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  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 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Firefox 49 / XP SP3 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Firefox 62 / Win 7  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Firefox 73 / Win 10  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Googlebot Feb 2018 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
IE 11 / Win 7  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384   ECDH secp256r1  FS
IE 11 / Win 8.1  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384   ECDH secp256r1  FS
IE 11 / Win Phone 8.1  R RSA 2048 (SHA256)   TLS 1.2 TLS_RSA_WITH_AES_128_CBC_SHA256  No FS
IE 11 / Win Phone 8.1 Update  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384   ECDH secp256r1  FS
IE 11 / Win 10  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Edge 15 / Win 10  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Edge 16 / Win 10  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Edge 18 / Win 10  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Edge 13 / Win Phone 10  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Java 8u161 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384   ECDH secp256r1  FS
Java 11.0.3 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Java 12.0.1 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
OpenSSL 1.0.1l  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
OpenSSL 1.0.2s  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
OpenSSL 1.1.0k  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
OpenSSL 1.1.1c  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Safari 6 / iOS 6.0.1 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384   ECDH secp256r1  FS
Safari 7 / iOS 7.1  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384   ECDH secp256r1  FS
Safari 7 / OS X 10.9  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384   ECDH secp256r1  FS
Safari 8 / iOS 8.4  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384   ECDH secp256r1  FS
Safari 8 / OS X 10.10  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384   ECDH secp256r1  FS
Safari 9 / iOS 9  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Safari 9 / OS X 10.11  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Safari 10 / iOS 10  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Safari 10 / OS X 10.12  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Safari 12.1.2 / MacOS 10.14.6 Beta  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Safari 12.1.1 / iOS 12.3.1  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Apple ATS 9 / iOS 9  R RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Yahoo Slurp Jan 2015 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
YandexBot Jan 2015 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   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 : 0x002f
GOLDENDOODLE No (more info)   TLS 1.2 : 0x002f
OpenSSL 0-Length No (more info)   TLS 1.2 : 0x002f
Sleeping POODLE No (more info)   TLS 1.2 : 0x002f
Downgrade attack prevention Unknown (requires support for at least two protocols, excl. SSL2)
SSL/TLS compression No
RC4 No
Heartbeat (extension) Yes
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 With some browsers (more info)
ALPN No
NPN No
Session resumption (caching) Yes
Session resumption (tickets) Yes
OCSP stapling No
Strict Transport Security (HSTS) No
HSTS Preloading Not in: 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
DH public server param (Ys) reuse No
ECDH public server param reuse No
Supported Named Groups secp256r1
SSL 2 handshake compatibility No


HTTP Requests
1 https://www.mostostal.siedlce.pl/  (HTTP/1.1 200 OK)
1
Date Wed, 17 Dec 2025 12:00:34 GMT
Server Apache
X-XSS-Protection 1; mode=block
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
Link <https://www.mostostal.siedlce.pl/wp-json/>; rel="https://api.w.org/"
Link <https://www.mostostal.siedlce.pl/wp-json/wp/v2/pages/2>; rel="alternate"; type="application/json"
Link <https://www.mostostal.siedlce.pl/>; rel=shortlink
Vary Accept-Encoding
Cache-Control max-age=172800
Expires Fri, 19 Dec 2025 12:00:34 GMT
Connection keep-alive, close
Transfer-Encoding chunked
Content-Type text/html; charset=UTF-8


Miscellaneous
Test date Wed, 17 Dec 2025 12:00:15 UTC
Test duration 130.711 seconds
HTTP status code 200
HTTP server signature Apache
Server hostname www.polimex-mostostal.pl


SSL Report v2.4.1