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

TLSv1.2

dgs.ru · 213.183.126.167:443

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=dgs.ru
Issuer
C=US O=Let's Encrypt CN=R3
Valid from
2022-09-14T06:23:30+00:00
Expires
2022-12-13T06:23:29+00:00
Days remaining
-1431
Serial (hex)
03D653CA8818A6A5E3D98E635026B1DDF44C
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:dgs.ru, DNS:www.dgs.ru

SHA-256 fingerprint

8E:36:D9:11:44:F5:84:1B:AD:DE:0D:92:C8:E4:D3:33:8C:A7:2D:0D:79:32:FD:C5:75:52:E7:01:DC:68:2F:25
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
E3:5E:64:6F:69:BE:40:8F:50:92:FC:5D:67:6B:90:87:8D:B3:C6:33
authorityKeyIdentifier
14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
authorityInfoAccess
OCSP - URI:http://r3.o.lencr.org CA Issuers - URI:http://r3.i.lencr.org/
subjectAltName
DNS:dgs.ru, DNS:www.dgs.ru
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.44947.1.1.1 CPS: http://cps.letsencrypt.org
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 46:A5:55:EB:75:FA:91:20:30:B5:A2:89:69:F4:F3:7D: 11:2C:41:74:BE:FD:49:B8:85:AB:F2:FC:70:FE:6D:47 Timestamp : Sep 14 07:23:30.772 2022 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:5F:A0:A7:23:73:CA:87:D3:41:00:38:F9: 36:E5:44:1E:B9:13:51:7C:7A:B4:CD:0A:CA:51:91:5F: 4C:45:39:82:02:21:00:B1:C5:07:FE:E8:1B:29:D1:AF: 5B:69:8E:B9:75:9C:AA:3E:76:CC:0F:55:5F:72:FC:1B: 04:E5:E0:37:99:F2:ED Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 6F:53:76:AC:31:F0:31:19:D8:99:00:A4:51:15:FF:77: 15:1C:11:D9:02:C1:00:29:06:8D:B2:08:9A:37:D9:13 Timestamp : Sep 14 07:23:30.887 2022 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:1F:14:CB:1A:DC:DA:E1:5B:14:DB:42:CB:E2: 22:05:28:85:BB:45:97:DA:38:95:5B:6E:90:79:7B:EB: A8:B0:F9:02:21:00:F5:27:CA:89:6D:64:D7:9A:27:EA: 81:B6:3F:53:CE:B4:03:AD:64:43:97:C9:44:AB:A6:73: ED:AC:19:8E:6D:E9
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-11-12T16:07:48+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 →