~/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 325 more days.

── output ─────

Issued to: www.ing.nl
Issued by: HydrantID Server CA O1
Valid from: 2026-02-16
Valid until: 2027-03-13 (325 days)
TLS version: TLSv1.3
Cipher: TLS_AES_256_GCM_SHA384
Key: RSA · 2048 bit
Signature: sha256WithRSAEncryption
Forward secrecy: yes
Self-signed: no
Must-staple: no
SHA-256 fingerprint: 4E:32:63:0E:6A:36:11:42:C7:D8:80:52:75:14:01:0A:A6:40:FB:DF:A6:9C:8C:EA:D0:97:90:B6:F7:6A:90:34
Serial: 40019C66E3605DC505B6ADFB0FC6FA2E

subject_alt_names · 2

ing.nl www.ing.nl

certificate_chain · 2 certs

[ leaf ]www.ing.nl

325 days left

issuer: HydrantID Server CA O1

2026-02-16 → 2027-03-13

[ inter ]HydrantID Server CA O1

1330 days left

issuer: IdenTrust Commercial Root CA 1

2019-12-12 → 2029-12-12

// Save ing.nl → we'll run this daily and alert on changes. /signup →