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

lanoptic.ru · 91.203.209.27:443

Verified
The certificate expires within 30 days.

Certificate chain, hostname and dates verified using this server’s CA store.

Subject
CN=*.lanoptic.ru
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R3 DV TLS CA 2020
Valid from
2026-03-15T17:41:30+00:00
Expires
2026-09-30T17:41:30+00:00
Days remaining
2
Serial (hex)
399FC355C7EA1266E84E0B35
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.lanoptic.ru, DNS:lanoptic.ru

SHA-256 fingerprint

D4:71:3A:41:F1:1D:33:60:9D:40:FD:E0:31:17:BD:FE:EC:D1:4C:6B:4A:F8:34:00:0D:26:59:01:42:69:94:98
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr3dvtlsca2020.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr3dvtlsca2020
certificatePolicies
Policy: 1.3.6.1.4.1.4146.1.10 CPS: https://www.globalsign.com/repository/ Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr3dvtlsca2020.crl
subjectAltName
DNS:*.lanoptic.ru, DNS:lanoptic.ru
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
0D:98:C0:73:7F:AB:BD:BD:D9:47:4B:49:AD:0A:4A:0C:AC:3E:C7:7C
subjectKeyIdentifier
C1:1A:A8:16:A0:20:20:72:F7:D1:AC:04:4A:FB:B8:1D:D8:A6:35:84
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : Mar 15 17:41:34.796 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:7D:4A:26:93:7B:BC:29:CA:E6:06:C6:4F: 2A:44:2B:98:ED:B3:A3:83:0A:58:70:A1:8D:93:CB:DA: 04:47:3A:1F:02:20:48:CA:D8:1F:AD:F6:00:64:7F:46: 6D:B6:2E:9F:90:5F:3D:AA:D8:99:F7:69:F9:CD:6E:9A: 67:26:6A:77:85:4B 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 : Mar 15 17:41:34.304 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:3D:A1:CF:EE:99:B2:94:EE:64:29:EF:67: 8A:CF:54:D5:50:FA:1B:A5:88:6A:EF:FD:5F:B1:9C:F0: 04:C5:18:4D:02:20:17:A8:EE:05:F9:31:E2:0B:1C:55: 43:37:75:88:82:14:ED:3E:BF:62:D4:FF:81:E9:F9:AF: 6D:C6:77:91:F5:DF 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 : Mar 15 17:41:34.676 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:0A:3F:BE:4B:9C:0A:B8:7D:3C:B4:A6:BE: 8D:07:FA:FE:C2:D0:16:EF:F0:10:EF:A1:F4:F8:9A:65: 1A:CF:42:FB:02:21:00:EA:77:4F:99:B4:70:2C:44:83: 45:64:B5:44:F2:2A:7F:C8:88:4F:DE:1B:20:66:66:C5: 0C:C0:6D:0F:9B:AF:C8
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-28T05:04:27+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R3 DV TLS CA 2020
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2020-07-28T00:00:00+00:00
Expires
2029-03-18T00:00:00+00:00
Days remaining
901
Serial (hex)
77BD0E0742D5D9E9D049D774D02A6F9A
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

76:25:38:43:95:09:C4:11:C4:37:D3:C5:67:56:3E:13:78:67:12:81:FC:4A:14:64:AD:D0:31:87:08:43:67:6E
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
0D:98:C0:73:7F:AB:BD:BD:D9:47:4B:49:AD:0A:4A:0C:AC:3E:C7:7C
authorityKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
authorityInfoAccess
OCSP - URI:http://ocsp2.globalsign.com/rootr3 CA Issuers - URI:http://secure.globalsign.com/cacert/root-r3.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r3.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.globalsign.com/repository/
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

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

View certificate JSON

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