~/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 167 more days.
── output ─────
- Issued to
- *.volkskrant.nl
- Issued by
- DigiCert Global G3 TLS ECC SHA384 2020 CA1
- Valid from
- 2026-03-23
- Valid until
- 2026-10-07 (167 days)
- TLS version
- TLSv1.3
- Cipher
- TLS_AES_256_GCM_SHA384
- Key
- EC (prime256v1) · 256 bit
- Signature
- ecdsa-with-SHA384
- Forward secrecy
- yes
- Self-signed
- no
- Must-staple
- no
- SHA-256 fingerprint
- 64:B6:16:B8:2E:4A:E3:39:0B:D1:C3:B3:1E:00:DC:8C:9D:BE:D3:0F:44:10:81:5C:35:FE:12:22:24:76:AA:3E
- Serial
- 06E6EC24EA3776B4DF7FF1ED87F3E9CB
subject_alt_names · 2
*.volkskrant.nl
volkskrant.nl
certificate_chain · 2 certs
[ leaf ]*.volkskrant.nl
167 days left
issuer: DigiCert Global G3 TLS ECC SHA384 2020 CA1
2026-03-23 → 2026-10-07
[ inter ]DigiCert Global G3 TLS ECC SHA384 2020 CA1
1816 days left
issuer: DigiCert Global Root G3
2021-04-14 → 2031-04-13