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

ns2.millenial.host · 103.16.228.163:443

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
C=US ST=Berkshire L=Newbury O=My Company CN=server.millenial.host
Issuer
C=US ST=Berkshire L=Newbury O=My Company CN=server.millenial.host
Valid from
2026-04-25T22:28:30+00:00
Expires
2027-04-25T22:28:30+00:00
Days remaining
196
Serial (hex)
4CA151B88168435234A5C2499182E0F964010E9C
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

F3:A9:8A:BE:0F:4C:08:21:2C:13:B9:DE:2A:C1:D1:98:4B:DC:DA:06:F5:C7:33:43:1C:F7:8E:F2:92:3E:46:CB
Certificate extensions & PEM
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-CHACHA20-POLY1305 · Checked 2026-10-11T16:26:19+00:00

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

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