~/tools / ssl-checker

SSL Checker

Check SSL certificate expiry, chain validity, TLS version and cipher. Catches expired certs, weak crypto and chain issues.

>
[ OK ] Valid for 302 more days.
── output ─────
Issued to
www.ziggo.nl
Issued by
DigiCert G2 TLS EU RSA4096 SHA384 2022 CA1
Valid from
2026-02-18
Valid until
2027-02-17 (302 days)
TLS version
TLSv1.2
Cipher
DHE-RSA-AES256-GCM-SHA384
Key
RSA · 2048 bit
Signature
sha256WithRSAEncryption
Forward secrecy
yes
Self-signed
no
Must-staple
no
SHA-256 fingerprint
1B:F5:26:06:EC:C2:AA:0C:83:11:CD:01:0A:9E:9B:24:8D:A8:13:47:93:4E:58:73:65:F6:E6:57:36:AF:46:3D
Serial
0DFA0802B38452BF24C5A52CD3BE726D
subject_alt_names · 8
www.ziggo.nl ziggo.nl origin.www.ziggo.nl secure.ziggo.nl mijn.ziggo.nl email.ziggo.nl redirect.ziggo.nl temp-origin.ziggo.nl
certificate_chain · 2 certs
[ leaf ]www.ziggo.nl
302 days left
issuer: DigiCert G2 TLS EU RSA4096 SHA384 2022 CA1
2026-02-18 → 2027-02-17
[ inter ]DigiCert G2 TLS EU RSA4096 SHA384 2022 CA1
2342 days left
issuer: DigiCert Global Root G2
2022-09-19 → 2032-09-18
// Save ziggo.nl → we'll run this daily and alert on changes. /signup →