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.hizhosting.com · 2.56.153.51:443

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

Certificate verification failed

Subject
CN=MAIL
Issuer
CN=MAIL
Valid from
2021-11-24T20:55:59+00:00
Expires
2026-12-24T20:55:59+00:00
Days remaining
41
Serial (hex)
1621D4995FF9CBA3477F20DCAC30AD7E
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

7A:3D:1F:60:66:2D:9F:ED:D1:1D:B2:1F:D3:4C:4F:6E:A8:25:45:82:78:E2:26:1E:27:3E:AB:AC:F7:03:B5:34
Certificate extensions & PEM
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-11-13T10:36:47+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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