~/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 36 more days.
── output ─────
- Issued to
- www.vodafone.de
- Issued by
- DigiCert Global G2 TLS RSA SHA256 2020 CA1
- Valid from
- 2025-05-28
- Valid until
- 2026-05-27 (36 days)
- TLS version
- TLSv1.3
- Cipher
- TLS_AES_128_GCM_SHA256
- Key
- RSA · 2048 bit
- Signature
- sha256WithRSAEncryption
- Forward secrecy
- yes
- Self-signed
- no
- Must-staple
- no
- SHA-256 fingerprint
- 31:8D:D9:96:13:EE:DD:05:C3:4D:B2:D6:56:29:CD:86:38:94:BC:C9:FD:40:14:30:8C:FE:CD:CA:03:E7:DA:BE
- Serial
- 0E210DF713CA159027FAAC635E248EC5
subject_alt_names · 2
www.vodafone.de
vodafone.de
certificate_chain · 3 certs
[ leaf ]www.vodafone.de
36 days left
issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
2025-05-28 → 2026-05-27
[ inter ]DigiCert Global G2 TLS RSA SHA256 2020 CA1
1803 days left
issuer: DigiCert Global Root G2
2021-03-30 → 2031-03-29
[ root ]DigiCert Global Root G2
4286 days left
issuer: DigiCert Global Root G2
2013-08-01 → 2038-01-15