~/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 316 more days.
── output ─────
- Issued to
- *.cdiscount.com
- Issued by
- Corporation Service Company RSA OV SSL CA
- Valid from
- 2026-02-03
- Valid until
- 2027-03-03 (316 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
- 45:9C:47:89:9F:19:7F:12:0E:54:3F:08:6E:63:AC:7D:B6:B6:CB:FF:5B:B0:05:E3:BF:D3:56:B1:0E:15:9F:C0
- Serial
- BCD9338940C64E04AF9DAB756F0FA0B0
subject_alt_names · 2
*.cdiscount.com
cdiscount.com
certificate_chain · 3 certs
[ leaf ]*.cdiscount.com
316 days left
issuer: Corporation Service Company RSA OV SSL CA
2026-02-03 → 2027-03-03
[ inter ]Corporation Service Company RSA OV SSL CA
2659 days left
issuer: USERTrust RSA Certification Authority
2023-08-02 → 2033-08-01
[ inter ]USERTrust RSA Certification Authority
985 days left
issuer: AAA Certificate Services
2019-03-12 → 2028-12-31