~/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 176 more days.
── output ─────
Issued to
rabobank.nl
Issued by
Sectigo Public Server Authentication CA EV E36
Valid from
2026-03-30
Valid until
2026-10-14 (176 days)
TLS version
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384
Key
EC (prime256v1) · 256 bit
Signature
ecdsa-with-SHA256
Forward secrecy
yes
Self-signed
no
Must-staple
no
SHA-256 fingerprint
01:47:79:37:94:32:66:53:20:44:0A:9F:9F:D5:2F:8A:78:F3:AF:F5:AF:0B:AA:88:F8:02:09:A5:47:01:46:BC
Serial
880A89C26FE08723E8E9FA3A593A72A9
subject_alt_names · 2
rabobank.nl www.rabobank.nl
certificate_chain · 3 certs
[ leaf ]rabobank.nl
176 days left
issuer: Sectigo Public Server Authentication CA EV E36
2026-03-30 → 2026-10-14
[ inter ]Sectigo Public Server Authentication CA EV E36
3622 days left
issuer: Sectigo Public Server Authentication Root E46
2021-03-22 → 2036-03-21
[ inter ]Sectigo Public Server Authentication Root E46
4290 days left
issuer: USERTrust ECC Certification Authority
2021-03-22 → 2038-01-18
// Save rabobank.nl → we'll run this daily and alert on changes. /signup →