~/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 144 more days.
── output ─────
- Issued to
- www.commerzbank.de
- Issued by
- GlobalSign Extended Validation CA - SHA256 - G3
- Valid from
- 2025-08-12
- Valid until
- 2026-09-13 (144 days)
- TLS version
- TLSv1.3
- Cipher
- TLS_AES_256_GCM_SHA384
- Key
- RSA · 4096 bit
- Signature
- sha256WithRSAEncryption
- Forward secrecy
- yes
- Self-signed
- no
- Must-staple
- no
- SHA-256 fingerprint
- 23:D5:0F:C5:23:E9:CC:98:79:AF:A8:59:93:44:D4:F9:EC:EE:92:40:D7:19:37:48:75:8D:72:B7:15:71:CB:9E
- Serial
- 20779429CBE2F17C693E8EA6
subject_alt_names · 2
www.commerzbank.de
commerzbank.de
certificate_chain · 2 certs
[ leaf ]www.commerzbank.de
144 days left
issuer: GlobalSign Extended Validation CA - SHA256 - G3
2025-08-12 → 2026-09-13
[ inter ]GlobalSign Extended Validation CA - SHA256 - G3
152 days left
issuer: GlobalSign
2016-09-21 → 2026-09-21