~/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 140 more days.
── output ─────
Issued to
www.vodafone.nl
Issued by
DigiCert Global G3 TLS ECC SHA384 2020 CA1
Valid from
2025-09-08
Valid until
2026-09-08 (140 days)
TLS version
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256
Key
EC (secp384r1) · 384 bit
Signature
ecdsa-with-SHA384
Forward secrecy
yes
Self-signed
no
Must-staple
no
SHA-256 fingerprint
24:EA:97:B5:72:A6:DC:C0:5F:8E:02:61:8D:E0:80:3B:A2:89:E9:BC:45:5A:6D:86:2C:0E:AC:74:72:BE:22:15
Serial
0B0B538495CE360B49BCCBBEECD3509D
subject_alt_names · 4
www.vodafone.nl vodafone.nl my.vodafone.nl mijn.vodafone.nl
certificate_chain · 2 certs
[ leaf ]www.vodafone.nl
140 days left
issuer: DigiCert Global G3 TLS ECC SHA384 2020 CA1
2025-09-08 → 2026-09-08
[ inter ]DigiCert Global G3 TLS ECC SHA384 2020 CA1
1818 days left
issuer: DigiCert Global Root G3
2021-04-14 → 2031-04-13
// Save vodafone.nl → we'll run this daily and alert on changes. /signup →