~/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 42 more days.

── output ─────

Issued to: www.snsbank.nl
Issued by: DigiCert EV RSA CA G2
Valid from: 2025-06-03
Valid until: 2026-06-02 (42 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: CF:53:16:85:F4:F4:65:A9:5A:6C:3A:3B:16:C8:DD:46:68:5D:9F:AF:11:35:00:DE:01:9B:93:8A:1F:23:CE:4E
Serial: 0214AC1CAE5FBEAD41A9A2695C339B43

subject_alt_names · 4

www.snsbank.nl sns.nl snsbank.nl www.sns.nl

certificate_chain · 2 certs

[ leaf ]www.snsbank.nl

42 days left

issuer: DigiCert EV RSA CA G2

2025-06-03 → 2026-06-02

[ inter ]DigiCert EV RSA CA G2

1532 days left

issuer: DigiCert Global Root G2

2020-07-02 → 2030-07-02

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