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

tomica.ru · 78.140.55.57:443

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=*.tomica.ru
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R6 AlphaSSL CA 2025
Valid from
2026-05-29T23:13:34+00:00
Expires
2026-12-14T23:13:34+00:00
Days remaining
32
Serial (hex)
4EE47B9435646E57886CE80D
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.tomica.ru, DNS:tomica.ru

SHA-256 fingerprint

03:CA:65:40:13:2B:38:10:B8:BC:D2:13:4A:DF:1E:E3:71:55:FC:7A:AA:A5:76:F5:26:D2:20:15:C6:4E:3C:BA
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:*.tomica.ru, DNS:tomica.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
0F:BD:92:00:23:F6:7C:85:DC:E9:C2:7E:DB:88:10:31:12:CF:59:D2
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E: F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7 Timestamp : May 29 23:13:37.876 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:EF:BB:A6:3A:D6:D0:A5:B9:E7:AE:11: DB:5A:A7:3C:B4:BA:F9:2D:5B:E6:85:26:77:E5:F0:5F: 06:37:11:1B:AB:02:20:42:23:ED:88:97:D5:8F:1E:5D: AB:E0:64:68:35:58:26:86:2D:FF:76:22:6F:62:CB:18: 21:A0:65:98:BD:8C:84 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB: 81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A Timestamp : May 29 23:13:37.963 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:59:89:31:C3:83:46:78:81:7A:EA:58:0C: 36:D5:31:68:D3:72:0F:40:57:B1:F7:35:9C:72:1B:38: 78:8B:B3:E7:02:21:00:AC:8E:77:94:C2:A5:2F:17:DE: 7F:D7:BE:FF:C0:0A:F6:78:EA:C0:94:E2:74:93:73:8D: C7:2D:7A:A9:F6:58:49 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : May 29 23:13:37.838 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:39:AB:6A:3B:EA:BD:19:26:4C:0D:43:E7: CB:2A:AD:2E:7E:96:05:D8:AD:D6:40:1B:32:9F:04:6F: BB:DF:E0:7E:02:21:00:A2:E6:5B:3D:F8:8F:06:F7:A3: 5D:A8:96:FA:ED:C9:8A:0F:AE:08:E8:66:33:BF:E9:54: 2D:15:B1:1A:7D:7D:2D
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-12T14:05:16+00:00

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

View certificate JSON

Registration / WHOIS →DNS records →