~/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 88 more days.

── output ─────

Issued to: bol.com
Issued by: R12
Valid from: 2026-05-02
Valid until: 2026-07-31 (88 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: F1:0B:AF:82:AA:FA:3D:6A:05:47:9D:82:68:B6:E9:46:F0:D6:64:80:C1:AE:0F:81:05:2A:0F:31:05:56:26:19
Serial: 06277F15E25386EED4305F0719D76F1139E7

subject_alt_names · 1

bol.com

certificate_chain · 2 certs

[ leaf ]bol.com

88 days left

issuer: R12

2026-05-02 → 2026-07-31

[ inter ]R12

313 days left

issuer: ISRG Root X1

2024-03-13 → 2027-03-12

// Save bol.com → we'll run this daily and alert on changes. /signup →