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

ctinternet.com · 160.153.51.195:443

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
CN=ctinternet.com
Issuer
CN=ctinternet.com
Valid from
2021-06-03T17:52:45+00:00
Expires
2022-06-03T17:52:45+00:00
Days remaining
-1592
Serial (hex)
58A57027
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:ctinternet.com, DNS:mail.ctinternet.com, DNS:www.ctinternet.com, DNS:cpanel.ctinternet.com, DNS:webmail.ctinternet.com, DNS:webdisk.ctinternet.com, DNS:cpcontacts.ctinternet.com, DNS:cpcalendars.ctinternet.com, DNS:autodiscover.ctinternet.com

SHA-256 fingerprint

E8:0C:87:E7:AC:3D:60:31:CA:D8:BB:74:D5:70:72:D3:B4:EF:62:D6:F7:26:56:45:04:94:5B:1E:8A:26:E4:25
Certificate extensions & PEM
subjectKeyIdentifier
B5:7B:AB:F2:05:5D:77:A6:FB:13:DA:CA:C3:83:86:A2:86:B1:70:C1
basicConstraints
CA:FALSE
authorityKeyIdentifier
keyid:B5:7B:AB:F2:05:5D:77:A6:FB:13:DA:CA:C3:83:86:A2:86:B1:70:C1 DirName:/CN=ctinternet.com serial:58:A5:70:27
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
subjectAltName
DNS:ctinternet.com, DNS:mail.ctinternet.com, DNS:www.ctinternet.com, DNS:cpanel.ctinternet.com, DNS:webmail.ctinternet.com, DNS:webdisk.ctinternet.com, DNS:cpcontacts.ctinternet.com, DNS:cpcalendars.ctinternet.com, DNS:autodiscover.ctinternet.com
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-10-11T19:35:31+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 →