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.in.th · 202.28.1.60:443

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=ns.mail.in.th emailAddress=root@ns.mail.in.th
Issuer
C=-- ST=SomeState L=SomeCity O=SomeOrganization OU=SomeOrganizationalUnit CN=ns.mail.in.th emailAddress=root@ns.mail.in.th
Valid from
2017-02-03T08:16:21+00:00
Expires
2018-02-03T08:16:21+00:00
Days remaining
-3156
Serial (hex)
1CA0
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

30:AE:19:AC:8F:90:42:D4:D2:65:D8:B8:86:AA:28:53:4F:FD:A0:AD:66:49:B5:70:6D:C2:C5:72:14:16:7B:87
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 2026-09-25T06:41:10+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 →