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

mail.vipnetbg.com · 77.220.196.30:443

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
O=Acme Co CN=Kubernetes Ingress Controller Fake Certificate
Issuer
O=Acme Co CN=Kubernetes Ingress Controller Fake Certificate
Valid from
2025-05-21T18:29:50+00:00
Expires
2026-05-21T18:29:50+00:00
Days remaining
-140
Serial (hex)
A826DB3562EE60D82B45622058C3B0F4
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:ingress.local

SHA-256 fingerprint

6E:E6:8A:DA:83:31:67:87:34:B2:E3:E7:67:D0:8C:51:51:90:00:82:00:A3:65:6F:7B:09:32:9E:18:0A:53:48
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectAltName
DNS:ingress.local
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-07T19:34:47+00:00

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

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