SSL Report: ndri.res.in (14.139.57.99)
Assessed on:  Fri, 19 Sep 2025 07:28:34 UTC | Clear cache
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Due to a recently discovered bug in Apple's code, your browser is exposed to MITM attacks. Click here for more information.

Summary
Overall Rating
T
If trust issues are ignored: 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's certificate is not trusted, see below for details.
This server does not support Forward Secrecy with the reference browsers. Grade capped to B.  MORE INFO »
This server's certificate chain is incomplete. Grade capped to B.
This server supports TLS 1.3.  MORE INFO »
Certificate #1: RSA 2048 bits (SHA256withRSA)
Server Key and Certificate #1
Subject *.ndri.res.in
Fingerprint SHA256: b82063f4f822ccaba2a19c2343bb519e1af7848ff901d644544805d1156202a1
Pin SHA256: y5yBRxYkmfM5BZyA9Ir/RqAWKNtZgE7GBbfhkRblpt8=
Common names *.ndri.res.in
Alternative names *.ndri.res.in ndri.res.in
Serial Number 688c47ed002d29d673aea1d1
Valid from Mon, 29 Jul 2024 11:47:02 UTC
Valid until Sat, 30 Aug 2025 11:47:01 UTC (expired 19 days, 19 hours ago)   EXPIRED
Key RSA 2048 bits (e 65537)
Weak key (Debian) No
Issuer GlobalSign GCC R6 AlphaSSL CA 2023
AIA: http://secure.globalsign.com/cacert/gsgccr6alphasslca2023.crt
Signature algorithm SHA256withRSA
Extended Validation No
Certificate Transparency Yes (certificate)
OCSP Must Staple No
Revocation information CRL, OCSP
CRL: http://crl.globalsign.com/gsgccr6alphasslca2023.crl
OCSP: http://ocsp.globalsign.com/gsgccr6alphasslca2023
Revocation status Unchecked (only trusted certificates can be checked)
DNS CAA No (more info)
Trusted No   NOT TRUSTED (Why?)
Mozilla  Apple  Android  Java  Windows 


Additional Certificates (if supplied)
Certificates provided 1 (1630 bytes)
Chain issues Incomplete


Certification Paths
Path #1: Not trusted (validity check failed)
1 Sent by server *.ndri.res.in
Fingerprint SHA256: b82063f4f822ccaba2a19c2343bb519e1af7848ff901d644544805d1156202a1
Pin SHA256: y5yBRxYkmfM5BZyA9Ir/RqAWKNtZgE7GBbfhkRblpt8=
RSA 2048 bits (e 65537) / SHA256withRSA
Valid until: Sat, 30 Aug 2025 11:47:01 UTC
EXPIRED
2 Extra download GlobalSign GCC R6 AlphaSSL CA 2023
Fingerprint SHA256: e46fb2a75097a345d4246dcf44a10daa71d9fd0ebfab61ba67e6db84ee5b6cab
Pin SHA256: JdFERRONSeokpPRwHKoZgZPPGO+7YwoMHGHoe1BAq3c=
RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store GlobalSign   Self-signed
Fingerprint SHA256: 2cabeafe37d06ca22aba7391c0033d25982952c453647349763a3ab5ad6ccf69
Pin SHA256: aCdH+LpiG4fN07wpXtXKvOciocDANj0daLOJKNJ4fx4=
RSA 4096 bits (e 65537) / SHA384withRSA
Path #1: Not trusted (validity check failed)
1 Sent by server *.ndri.res.in
Fingerprint SHA256: b82063f4f822ccaba2a19c2343bb519e1af7848ff901d644544805d1156202a1
Pin SHA256: y5yBRxYkmfM5BZyA9Ir/RqAWKNtZgE7GBbfhkRblpt8=
RSA 2048 bits (e 65537) / SHA256withRSA
Valid until: Sat, 30 Aug 2025 11:47:01 UTC
EXPIRED
2 Extra download GlobalSign GCC R6 AlphaSSL CA 2023
Fingerprint SHA256: e46fb2a75097a345d4246dcf44a10daa71d9fd0ebfab61ba67e6db84ee5b6cab
Pin SHA256: JdFERRONSeokpPRwHKoZgZPPGO+7YwoMHGHoe1BAq3c=
RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store GlobalSign   Self-signed
Fingerprint SHA256: 2cabeafe37d06ca22aba7391c0033d25982952c453647349763a3ab5ad6ccf69
Pin SHA256: aCdH+LpiG4fN07wpXtXKvOciocDANj0daLOJKNJ4fx4=
RSA 4096 bits (e 65537) / SHA384withRSA
Path #1: Not trusted (validity check failed)
1 Sent by server *.ndri.res.in
Fingerprint SHA256: b82063f4f822ccaba2a19c2343bb519e1af7848ff901d644544805d1156202a1
Pin SHA256: y5yBRxYkmfM5BZyA9Ir/RqAWKNtZgE7GBbfhkRblpt8=
RSA 2048 bits (e 65537) / SHA256withRSA
Valid until: Sat, 30 Aug 2025 11:47:01 UTC
EXPIRED
2 Extra download GlobalSign GCC R6 AlphaSSL CA 2023
Fingerprint SHA256: e46fb2a75097a345d4246dcf44a10daa71d9fd0ebfab61ba67e6db84ee5b6cab
Pin SHA256: JdFERRONSeokpPRwHKoZgZPPGO+7YwoMHGHoe1BAq3c=
RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store GlobalSign   Self-signed
Fingerprint SHA256: 2cabeafe37d06ca22aba7391c0033d25982952c453647349763a3ab5ad6ccf69
Pin SHA256: aCdH+LpiG4fN07wpXtXKvOciocDANj0daLOJKNJ4fx4=
RSA 4096 bits (e 65537) / SHA384withRSA
Path #1: Not trusted (validity check failed)
1 Sent by server *.ndri.res.in
Fingerprint SHA256: b82063f4f822ccaba2a19c2343bb519e1af7848ff901d644544805d1156202a1
Pin SHA256: y5yBRxYkmfM5BZyA9Ir/RqAWKNtZgE7GBbfhkRblpt8=
RSA 2048 bits (e 65537) / SHA256withRSA
Valid until: Sat, 30 Aug 2025 11:47:01 UTC
EXPIRED
2 Extra download GlobalSign GCC R6 AlphaSSL CA 2023
Fingerprint SHA256: e46fb2a75097a345d4246dcf44a10daa71d9fd0ebfab61ba67e6db84ee5b6cab
Pin SHA256: JdFERRONSeokpPRwHKoZgZPPGO+7YwoMHGHoe1BAq3c=
RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store GlobalSign   Self-signed
Fingerprint SHA256: 2cabeafe37d06ca22aba7391c0033d25982952c453647349763a3ab5ad6ccf69
Pin SHA256: aCdH+LpiG4fN07wpXtXKvOciocDANj0daLOJKNJ4fx4=
RSA 4096 bits (e 65537) / SHA384withRSA
Path #1: Not trusted (validity check failed)
1 Sent by server *.ndri.res.in
Fingerprint SHA256: b82063f4f822ccaba2a19c2343bb519e1af7848ff901d644544805d1156202a1
Pin SHA256: y5yBRxYkmfM5BZyA9Ir/RqAWKNtZgE7GBbfhkRblpt8=
RSA 2048 bits (e 65537) / SHA256withRSA
Valid until: Sat, 30 Aug 2025 11:47:01 UTC
EXPIRED
2 Extra download GlobalSign GCC R6 AlphaSSL CA 2023
Fingerprint SHA256: e46fb2a75097a345d4246dcf44a10daa71d9fd0ebfab61ba67e6db84ee5b6cab
Pin SHA256: JdFERRONSeokpPRwHKoZgZPPGO+7YwoMHGHoe1BAq3c=
RSA 2048 bits (e 65537) / SHA256withRSA
3 In trust store GlobalSign   Self-signed
Fingerprint SHA256: 2cabeafe37d06ca22aba7391c0033d25982952c453647349763a3ab5ad6ccf69
Pin SHA256: aCdH+LpiG4fN07wpXtXKvOciocDANj0daLOJKNJ4fx4=
RSA 4096 bits (e 65537) / SHA384withRSA

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


Cipher Suites
# TLS 1.3 (server has no preference)
TLS_AES_128_GCM_SHA256 (0x1301)   ECDH x25519 (eq. 3072 bits RSA)   FS 128
TLS_AES_128_CCM_SHA256 (0x1304)   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 256
# 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_ECDHE_RSA_WITH_AES_128_CBC_SHA (0xc013)   ECDH secp521r1 (eq. 15360 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 secp521r1 (eq. 15360 bits RSA)   FS   WEAK 128
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (0xc02f)   ECDH secp521r1 (eq. 15360 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_ECDHE_RSA_WITH_AES_256_CBC_SHA (0xc014)   ECDH secp521r1 (eq. 15360 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 secp521r1 (eq. 15360 bits RSA)   FS   WEAK 256
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (0xc030)   ECDH secp521r1 (eq. 15360 bits RSA)   FS 256
TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 (0xcca8)   ECDH secp521r1 (eq. 15360 bits RSA)   FS 256
TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256 (0xccaa)   DH 2048 bits   FS 256


Handshake Simulation
Android 4.4.2 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp521r1  FS
Android 5.0.0 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA   ECDH secp521r1  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 > http/1.1   TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256   ECDH x25519  FS
Android 8.0 RSA 2048 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256   ECDH x25519  FS
Android 8.1 -   TLS 1.3 TLS_CHACHA20_POLY1305_SHA256   ECDH x25519  FS
Android 9.0 -   TLS 1.3 TLS_CHACHA20_POLY1305_SHA256   ECDH x25519  FS
BingPreview Jan 2015 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp521r1  FS
Chrome 49 / XP SP3 RSA 2048 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Chrome 69 / Win 7  R RSA 2048 (SHA256)   TLS 1.2 > http/1.1   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 > http/1.1   TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Firefox 49 / XP SP3 RSA 2048 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   ECDH secp256r1  FS
Firefox 62 / Win 7  R RSA 2048 (SHA256)   TLS 1.2 > http/1.1   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_256_CBC_SHA384   ECDH secp256r1  FS
IE 11 / Win 8.1  R RSA 2048 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384   ECDH secp256r1  FS
IE 11 / Win Phone 8.1  R RSA 2048 (SHA256)   TLS 1.2 > http/1.1   TLS_RSA_WITH_AES_128_CBC_SHA256  No FS
IE 11 / Win Phone 8.1 Update  R RSA 2048 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384   ECDH secp256r1  FS
IE 11 / Win 10  R RSA 2048 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Edge 15 / Win 10  R RSA 2048 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH x25519  FS
Edge 16 / Win 10  R RSA 2048 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH x25519  FS
Edge 18 / Win 10  R RSA 2048 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH x25519  FS
Edge 13 / Win Phone 10  R RSA 2048 (SHA256)   TLS 1.2 > http/1.1   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 -   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_256_GCM_SHA384   ECDH secp521r1  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 x25519  FS
OpenSSL 1.1.1c  R -   TLS 1.3 TLS_AES_256_GCM_SHA384   ECDH x25519  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 > http/1.1   TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Safari 9 / OS X 10.11  R RSA 2048 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Safari 10 / iOS 10  R RSA 2048 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp256r1  FS
Safari 10 / OS X 10.12  R RSA 2048 (SHA256)   TLS 1.2 > http/1.1   TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   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 > http/1.1   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 secp384r1  FS
YandexBot Jan 2015 RSA 2048 (SHA256)   TLS 1.2 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   ECDH secp521r1  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 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 With some browsers (more info)
ALPN Yes   http/1.1
NPN No
Session resumption (caching) No (IDs empty)
Session resumption (tickets) Yes
OCSP stapling No
Strict Transport Security (HSTS) Yes   TOO SHORT (less than 180 days)
max-age=1000; includeSubDomains; preload
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, secp384r1, secp521r1, x25519, x448 (Server has no preference)
SSL 2 handshake compatibility Yes
0-RTT enabled No


HTTP Requests
1 https://ndri.res.in/  (HTTP/1.1 200 OK)
1
Date Fri, 19 Sep 2025 04:31:02 GMT
Server Apache/2.4.37 (Rocky Linux) OpenSSL/1.1.1k
Cache-Control must-revalidate, no-cache, private
X-Drupal-Dynamic-Cache MISS
Content-language en
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Drupal-Cache-Tags CACHE_MISS_IF_UNCACHEABLE_HTTP_METHOD:form block_content:1 block_content:10 block_content:11 block_content:14 block_content:2 block_content:3 block_content:5 block_content:6 block_content:7 block_content:8 block_content:9 block_content_view block_view config:asset_injector.css.ndri_style config:block.block.custom_theme_academics config:block.block.custom_theme_account_menu config:block.block.custom_theme_ataglance config:block.block.custom_theme_ataglance_2 config:block.block.custom_theme_ataglance_3 config:block.block.custom_theme_blocktabshometabs config:block.block.custom_theme_breadcrumbs config:block.block.custom_theme_campuslife config:block.block.custom_theme_content config:block.block.custom_theme_copyright config:block.block.custom_theme_footer config:block.block.custom_theme_footer_2 config:block.block.custom_theme_help config:block.block.custom_theme_homedashboard config:block.block.custom_theme_languageswitcher config:block.block.custom_theme_main_menu config:block.block.custom_theme_mainnavigation config:block.block.custom_theme_mainnavigation_2 config:block.block.custom_theme_messages config:block.block.custom_theme_messages_2 config:block.block.custom_theme_page_title config:block.block.custom_theme_pagetitle config:block.block.custom_theme_powered config:block.block.custom_theme_primary_admin_actions config:block.block.custom_theme_primary_local_tasks config:block.block.custom_theme_primaryadminactions config:block.block.custom_theme_quicklinks config:block.block.custom_theme_quicklinks_2 config:block.block.custom_theme_regionalstationsservicecentres config:block.block.custom_theme_research config:block.block.custom_theme_rightsidelogo config:block.block.custom_theme_rightsidelogo_2 config:block.block.custom_theme_screenreaderaccess config:block.block.custom_theme_search_form_narrow config:block.block.custom_theme_search_form_wide config:block.block.custom_theme_searchform config:block.block.custom_theme_secondary_local_tasks config:block.block.custom_theme_site_branding config:block.block.custom_theme_skiptomaincontent config:block.block.custom_theme_socialmedia config:block.block.custom_theme_studentcorner config:block.block.custom_theme_styleswitcher config:block.block.custom_theme_syndicate config:block.block.custom_theme_tabs config:block.block.custom_theme_topmenu config:block.block.custom_theme_views_block__about_us_block_1 config:block.block.custom_theme_views_block__events_block_1 config:block.block.custom_theme_views_block__footer_external_logos_block_1 config:block.block.custom_theme_views_block__home_page_banner_block_1 config:block.block.custom_theme_views_block__home_photo_gallery_block_1 config:block.block.custom_theme_views_block__latest_updates_block_1 config:block.block.custom_theme_views_block__main_logo_block_1 config:block.block.custom_theme_views_block__secton_block_1 config:block.block.custom_theme_views_block__sports_block_1 config:block.block.custom_theme_visitors config:block_list 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Expires Sun, 19 Nov 1978 05:00:00 GMT
Content-Security-Policy report-uri /report-csp-violation; upgrade-insecure-requests
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Miscellaneous
Test date Fri, 19 Sep 2025 07:25:41 UTC
Test duration 173.440 seconds
HTTP status code 200
HTTP server signature Apache/2.4.37 (Rocky Linux) OpenSSL/1.1.1k
Server hostname ndri.res.in


Why is my certificate not trusted?

There are many reasons why a certificate may not be trusted. The exact problem is indicated on the report card in bright red. The problems fall into three categories:

  1. Invalid certificate
  2. Invalid configuration
  3. Unknown Certificate Authority

1. Invalid certificate

A certificate is invalid if:

2. Invalid configuration

In some cases, the certificate chain does not contain all the necessary certificates to connect the web server certificate to one of the root certificates in our trust store. Less commonly, one of the certificates in the chain (other than the web server certificate) will have expired, and that invalidates the entire chain.

3. Unknown Certificate Authority

In order for trust to be established, we must have the root certificate of the signing Certificate Authority in our trust store. SSL Labs does not maintain its own trust store; instead we use the store maintained by Mozilla.

If we mark a web site as not trusted, that means that the average web user's browser will not trust it either. For certain special groups of users, such web sites can still be secure. For example, if you can securely verify that a self-signed web site is operated by a person you trust, then you can trust that self-signed web site too. Or, if you work for an organisation that manages its own trust, and you have their own root certificate already embedded in your browser. Such special cases do not work for the general public, however, and this is what we indicate on our report card.

4. Interoperability issues

In some rare cases trust cannot be established because of interoperability issues between our code and the code or configuration running on the server. We manually review such cases, but if you encounter such an issue please feel free to contact us. Such problems are very difficult to troubleshoot and you may be able to provide us with information that might help us determine the root cause.

SSL Report v2.4.1