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

ns2.infronet.ru · 217.65.3.80:443

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=pbx
Issuer
CN=pbx
Valid from
2026-06-02T19:27:43+00:00
Expires
2036-05-30T19:27:43+00:00
Days remaining
3507
Serial (hex)
449D47574784F321D3494335D006D0A0DEBB0ED6
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:pbx

SHA-256 fingerprint

8B:F6:8B:48:34:69:27:69:49:80:93:FC:33:49:53:E8:A0:25:AB:0D:F2:E2:00:A7:FA:FB:4E:2C:89:80:46:9E
Certificate extensions & PEM
basicConstraints
CA:FALSE
subjectAltName
DNS:pbx
subjectKeyIdentifier
52:26:54:A8:29:DE:27:D6:55:47:A8:ED:20:D4:FA:88:74:CE:D9:36
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-23T05:50:01+00:00

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

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