~/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 335 more days.
── output ─────
- Issued to
- independent.co.uk
- Issued by
- GlobalSign Atlas R3 DV TLS CA 2026 Q1
- Valid from
- 2026-02-18
- Valid until
- 2027-03-22 (335 days)
- TLS version
- TLSv1.2
- Cipher
- ECDHE-RSA-CHACHA20-POLY1305
- Key
- RSA · 2048 bit
- Signature
- sha256WithRSAEncryption
- Forward secrecy
- yes
- Self-signed
- no
- Must-staple
- no
- SHA-256 fingerprint
- 36:F4:5A:B2:51:B9:42:D4:22:74:AD:01:4B:18:49:45:E1:24:73:D0:7E:56:01:F0:CA:20:30:D3:61:09:D3:C5
- Serial
- 01654F61F3E5641C00CDEFAA96BCB6F9
subject_alt_names · 1
independent.co.uk
certificate_chain · 2 certs
[ leaf ]independent.co.uk
335 days left
issuer: GlobalSign Atlas R3 DV TLS CA 2026 Q1
2026-02-18 → 2027-03-22
[ inter ]GlobalSign Atlas R3 DV TLS CA 2026 Q1
541 days left
issuer: GlobalSign
2025-10-15 → 2027-10-15