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

colocat.ru · 109.95.208.177:443

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

Certificate verification failed

Subject
CN=*.colocat.ru
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R6 AlphaSSL CA 2025
Valid from
2026-02-12T08:41:14+00:00
Expires
2027-03-16T08:41:13+00:00
Days remaining
167
Serial (hex)
29993D7A55C98F0931B6DEAA
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.colocat.ru, DNS:colocat.ru

SHA-256 fingerprint

77:13:DC:E5:5D:74:CC:E6:08:EF:8B:72:C9:09:A1:F8:C3:2F:25:D4:83:37:17:AE:A7:07:4C:B7:8C:4F:B0:EE
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr6alphasslca2025.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr6alphasslca2025
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.4146.10.1.3 CPS: https://www.globalsign.com/repository/
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr6alphasslca2025.crl
subjectAltName
DNS:*.colocat.ru, DNS:colocat.ru
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
C5:B4:93:8F:6F:2B:DC:1E:48:BF:B7:10:30:85:CE:D1:B2:BB:48:2D
subjectKeyIdentifier
A8:AA:DC:8C:67:22:A4:4F:B7:29:B2:74:40:66:53:3B:03:B2:91:CB
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1C:9F:68:2C:E9:FA:F0:45:69:50:F8:1B:96:8A:87:DD: DB:32:10:D8:4C:E6:C8:B2:E3:82:52:4A:C4:CF:59:9F Timestamp : Feb 12 08:41:17.939 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:FC:05:7C:04:AA:44:68:25:79:DB:78: E4:79:7A:8F:C7:B7:94:7A:08:64:E3:E9:82:57:B1:86: 83:EB:70:28:0C:02:20:51:2F:52:DB:1E:DE:5A:D6:E7: 86:0F:69:61:97:E9:C8:20:79:12:05:0F:A8:D0:2C:BB: E3:3F:7C:8B:13:1F:8E Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Feb 12 08:41:17.927 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:7E:D3:4D:D9:40:13:05:D1:31:F7:ED:E9: 93:24:D4:5A:06:0B:E3:30:95:98:6B:47:4B:FF:A5:9C: 8A:0A:7F:3E:02:21:00:FC:45:09:F6:B4:BE:AE:F1:B5: E5:CC:91:DC:3F:F8:17:ED:A1:CB:A8:5D:E8:70:24:62: 5E:C3:93:DF:61:37:9D Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Feb 12 08:41:18.199 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:F9:0B:5F:E8:58:98:D7:73:B2:B3:2C: FF:A1:AC:94:A9:E6:24:33:79:FE:0D:4B:78:89:BB:3A: A8:08:8F:7C:0C:02:21:00:B9:15:14:9F:9D:79:9E:89: 09:7B:65:47:59:E4:BE:7B:63:9F:51:2C:24:46:DA:DB: E5:66:1D:EB:A1:C6:EE:06
-----BEGIN CERTIFICATE-----
MIIGWDCCBUCgAwIBAgIMKZk9elXJjwkxtt6qMA0GCSqGSIb3DQEBCwUAMFUxCzAJ
BgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMSswKQYDVQQDEyJH
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kUd4OrdNRV2pycR5odjHzT+VWHCrKew3sro8dXv552kPcfl5sV5IKo1qGWg=
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-29T15:56:29+00:00

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

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