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

jon.quicns.cloud · 64.66.240.1:443

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=NewJersey L=BaskingRidge O=LiteSpeed OU=web CN=maincert.com
Issuer
C=US ST=NewJersey L=BaskingRidge O=LiteSpeed OU=web CN=maincert.com
Valid from
2017-06-14T21:17:48+00:00
Expires
2027-06-12T21:17:48+00:00
Days remaining
259
Serial (hex)
BF7A6FD2D154FD08
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

8C:60:21:41:14:27:61:A8:31:33:11:55:BC:7B:D8:0C:FF:7E:B7:B7:32:7A:3A:0B:0E:0C:EF:21:C5:B7:0C:8C
Certificate extensions & PEM
subjectKeyIdentifier
9D:D8:0F:72:01:05:3A:5E:08:F7:85:12:B9:C5:1F:CD:B0:26:AD:57
authorityKeyIdentifier
9D:D8:0F:72:01:05:3A:5E:08:F7:85:12:B9:C5:1F:CD:B0:26:AD:57
basicConstraints
CA:TRUE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-26T09:44:21+00:00

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

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