~/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 128 more days.
── output ─────
- Issued to
- ah.nl
- Issued by
- Sectigo Public Server Authentication CA OV E36
- Valid from
- 2025-08-27
- Valid until
- 2026-08-27 (128 days)
- TLS version
- TLSv1.3
- Cipher
- TLS_AES_256_GCM_SHA384
- Key
- EC (prime256v1) · 256 bit
- Signature
- ecdsa-with-SHA256
- Forward secrecy
- yes
- Self-signed
- no
- Must-staple
- no
- SHA-256 fingerprint
- 54:B9:E9:DF:4F:36:86:25:55:65:F2:3D:3E:5C:60:99:C2:0A:12:B9:15:D0:1B:D8:31:F9:12:07:54:A4:DD:02
- Serial
- 5987BDF51CA4B7359949B9F70DCE7652
subject_alt_names · 2
ah.nl
www.ah.nl
certificate_chain · 4 certs
[ leaf ]ah.nl
128 days left
issuer: Sectigo Public Server Authentication CA OV E36
2025-08-27 → 2026-08-27
[ inter ]Sectigo Public Server Authentication CA OV E36
3622 days left
issuer: Sectigo Public Server Authentication Root E46
2021-03-22 → 2036-03-21
[ inter ]Sectigo Public Server Authentication Root E46
4290 days left
issuer: USERTrust ECC Certification Authority
2021-03-22 → 2038-01-18
[ root ]USERTrust ECC Certification Authority
4290 days left
issuer: USERTrust ECC Certification Authority
2010-02-01 → 2038-01-18