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

mail.vvo.ru · 80.89.10.251:443

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
C=-- ST=SomeState L=SomeCity O=SomeOrganization OU=SomeOrganizationalUnit CN=mail.vvo.ru emailAddress=root@mail.vvo.ru
Issuer
C=-- ST=SomeState L=SomeCity O=SomeOrganization OU=SomeOrganizationalUnit CN=mail.vvo.ru emailAddress=root@mail.vvo.ru
Valid from
2013-09-24T06:55:32+00:00
Expires
2014-09-24T06:55:32+00:00
Days remaining
-4401
Serial (hex)
5141
Signature
RSA-SHA1
Public key
RSA 1024

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

B7:61:65:2B:D2:DD:3A:73:A1:0C:D3:B6:20:62:C0:FD:4F:CF:37:11:9E:CD:34:64:66:C4:3C:30:8C:12:11:0F
Certificate extensions & PEM
basicConstraints
CA:FALSE
keyUsage
Digital Signature, Non Repudiation, Key Encipherment
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-11T16:50:01+00:00

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

View certificate JSON

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