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

ksmg.pu.ru · 195.70.197.33:443

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=ksmg1.pu.ru
Issuer
CN=ksmg1.pu.ru
Valid from
2023-02-08T14:07:34+00:00
Expires
2034-02-05T14:07:34+00:00
Days remaining
2649
Serial (hex)
107B3DDBC79A4476
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C3:A2:ED:22:1D:44:36:51:9A:34:1E:E4:2C:24:CB:4A:88:D3:62:58:1F:4C:24:62:07:9C:D7:51:FA:3E:A5:FA
Certificate extensions & PEM
subjectKeyIdentifier
B6:A6:AB:95:9D:84:63:A2:71:10:D4:76:76:AD:44:3A:23:19:7C:BA
authorityKeyIdentifier
B6:A6:AB:95:9D:84:63:A2:71:10:D4:76:76:AD:44:3A:23:19:7C:BA
basicConstraints
CA:TRUE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-04T22:30:49+00:00

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

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