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

resender.email · 109.74.13.162:443

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=SE O=Halon Security CN=localhost
Issuer
C=SE O=Halon Security CN=localhost
Valid from
2016-03-24T10:31:37+00:00
Expires
2026-03-22T10:31:37+00:00
Days remaining
-185
Serial (hex)
99F0CF13E9D93F6B
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

0F:0B:3B:2B:B3:C5:A0:4F:16:52:9C:58:F3:B6:98:BA:CA:65:95:60:55:2F:C9:B3:C0:C2:F1:CC:93:1F:C0:F8
Certificate extensions & PEM
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-22T10:42:07+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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