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.2etelekom.com · 45.38.190.111:443

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=CH L=Schaffhausen O=Plesk CN=Plesk emailAddress=info@plesk.com
Issuer
C=CH L=Schaffhausen O=Plesk CN=Plesk emailAddress=info@plesk.com
Valid from
2025-07-10T13:23:58+00:00
Expires
2026-07-10T13:23:58+00:00
Days remaining
-84
Serial (hex)
686FBEEE
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

E9:42:8E:64:8C:43:EF:BB:02:07:87:00:E9:B2:FF:42:2D:26:15:30:E1:B4:2B:BF:B3:22:0E:44:FF:8C:C7:82
Certificate extensions & PEM
extendedKeyUsage
TLS Web Server Authentication
subjectKeyIdentifier
94:8B:B5:F0:C4:E2:AD:89:71:BE:6C:46:0F:A5:21:2F:D0:24:93:49
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-02T03:49:59+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 →