~/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 181 more days.
── output ─────
- Issued to
- www.sparkasse.de
- Issued by
- D-TRUST BR CA 2-23-1 2023
- Valid from
- 2026-04-05
- Valid until
- 2026-10-20 (181 days)
- TLS version
- TLSv1.3
- Cipher
- TLS_AES_256_GCM_SHA384
- Key
- RSA · 4096 bit
- Signature
- sha512WithRSAEncryption
- Forward secrecy
- yes
- Self-signed
- no
- Must-staple
- no
- SHA-256 fingerprint
- B1:79:DE:79:70:B2:11:81:AB:45:65:51:38:76:51:84:18:FC:ED:9C:04:D4:33:B8:BD:35:83:17:29:10:B3:C0
- Serial
- 635CF7FA751D221FF23EF94A60139E1D4C9D3301
subject_alt_names · 5
www.sparkasse.de
redaktion.sparkasse.de
www.s.de
s.de
sparkasse.de
certificate_chain · 3 certs
[ leaf ]www.sparkasse.de
181 days left
issuer: D-TRUST BR CA 2-23-1 2023
2026-04-05 → 2026-10-20
[ inter ]D-TRUST BR CA 2-23-1 2023
4400 days left
issuer: D-TRUST BR Root CA 2 2023
2023-05-11 → 2038-05-09
[ inter ]D-TRUST BR Root CA 2 2023
1293 days left
issuer: D-TRUST Root Class 3 CA 2 2009
2025-07-14 → 2029-11-05