DNS
THE CERTIFICATE BEHIND THE CONNECTION

TLS certificate checker.

Inspect SSL/TLS certificates for any public domain or subdomain.

Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.3

ns2.briantel.com · 51.38.69.104:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed
The certificate has expired.

Certificate verification failed

Subject
CN=*.briantel.com
Issuer
C=GB ST=Greater Manchester L=Salford O=Sectigo Limited CN=Sectigo RSA Domain Validation Secure Server CA
Valid from
2022-02-21T00:00:00+00:00
Expires
2023-03-24T23:59:59+00:00
Days remaining
-1287
Serial (hex)
11CE067A1272ACEBF06472E9C605EBF1
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.briantel.com, DNS:briantel.com

SHA-256 fingerprint

FF:81:7B:7E:6B:DB:05:49:36:A8:01:0C:A0:1E:34:77:6F:85:E2:C7:61:76:01:E0:09:FC:27:C6:27:15:A3:75
Certificate extensions & PEM
authorityKeyIdentifier
8D:8C:5E:C4:54:AD:8A:E1:77:E9:9B:F9:9B:05:E1:B8:01:8D:61:E1
subjectKeyIdentifier
A8:26:51:50:DC:23:D1:B6:A2:E0:8F:69:F6:50:0B:F3:EE:3F:89:E0
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.2.7 CPS: https://sectigo.com/CPS Policy: 2.23.140.1.2.1
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt OCSP - URI:http://ocsp.sectigo.com
subjectAltName
DNS:*.briantel.com, DNS:briantel.com
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AD:F7:BE:FA:7C:FF:10:C8:8B:9D:3D:9C:1E:3E:18:6A: B4:67:29:5D:CF:B1:0C:24:CA:85:86:34:EB:DC:82:8A Timestamp : Feb 21 11:34:35.749 2022 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:D6:75:76:07:B7:33:95:84:D8:AA:A4: 70:0D:67:8D:5D:59:0C:AA:41:15:3F:B2:79:B8:08:6E: 9B:CA:6C:55:13:02:21:00:90:D4:CE:57:93:12:3B:49: 4B:0E:B5:DD:50:A7:6A:FC:D7:4F:81:C3:96:DF:2E:08: C5:62:4D:74:52:0E:8C:98 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 7A:32:8C:54:D8:B7:2D:B6:20:EA:38:E0:52:1E:E9:84: 16:70:32:13:85:4D:3B:D2:2B:C1:3A:57:A3:52:EB:52 Timestamp : Feb 21 11:34:35.678 2022 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:4D:08:6F:B3:F3:6B:59:68:C7:7A:08:53: 73:6B:41:38:A4:59:15:47:B2:47:11:8B:F9:CA:73:CA: A3:2F:C9:D4:02:21:00:B5:E9:56:79:F9:ED:E0:C4:BB: 91:90:79:F4:04:E7:0C:CA:AE:46:C0:2A:6D:4D:E5:98: 8F:07:3F:2B:97:DE:39 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : E8:3E:D0:DA:3E:F5:06:35:32:E7:57:28:BC:89:6B:C9: 03:D3:CB:D1:11:6B:EC:EB:69:E1:77:7D:6D:06:BD:6E Timestamp : Feb 21 11:34:35.713 2022 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:82:17:F7:4A:72:73:F9:E4:C9:D3:5A: 45:6E:97:35:54:31:D4:57:9A:BE:82:83:A3:B7:26:5E: F8:55:14:9B:1E:02:21:00:8D:2C:91:F1:AD:43:CD:CB: 1A:35:92:30:02:55:46:F6:14:F0:73:6E:D4:EA:E1:41: 0A:A7:3D:5F:9C:0C:A2:05
-----BEGIN CERTIFICATE-----
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ppLyU+tQEXTd
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-01T10:20:17+00:00

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

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