~/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 290 more days.
── output ─────
- Issued to
- *.liberation.fr
- Issued by
- Amazon RSA 2048 M01
- Valid from
- 2026-01-07
- Valid until
- 2027-02-05 (290 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
- A0:01:EA:71:CB:C0:91:72:FF:4E:AE:39:0D:54:3A:C6:EE:7E:E9:D8:4F:FE:57:F0:EF:57:20:A3:EF:54:ED:33
- Serial
- 031178A943F0C60F3D143D878CBCDA8E
subject_alt_names · 5
*.liberation.fr
*.blogs.liberation.fr
liberation.fr
www.iphone.liberation.fr
*.next.liberation.fr
certificate_chain · 3 certs
[ leaf ]*.liberation.fr
290 days left
issuer: Amazon RSA 2048 M01
2026-01-07 → 2027-02-05
[ inter ]Amazon RSA 2048 M01
1585 days left
issuer: Amazon Root CA 1
2022-08-23 → 2030-08-23
[ inter ]Amazon Root CA 1
4271 days left
issuer: Starfield Services Root Certificate Authority - G2
2015-05-25 → 2037-12-31