~/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 136 more days.
── output ─────
Issued to
jumbo.com
Issued by
DigiCert Global G3 TLS ECC SHA384 2020 CA1
Valid from
2025-09-04
Valid until
2026-09-04 (136 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
DB:F2:C0:95:E0:F6:DE:2C:D9:8F:17:80:CA:80:41:07:C0:C5:F7:AD:97:20:61:0B:0C:19:BC:7E:FD:3A:A8:0B
Serial
04F5027FF786D8AA5BDAABD035F6FC5B
subject_alt_names · 7
jumbo.com www.jumbo.com acc-www.jumbo.com hallo.jumbo.com www.jumbosupermarkten.nl jumbosupermarkten.nl www.hallo.jumbo.com
certificate_chain · 2 certs
[ leaf ]jumbo.com
136 days left
issuer: DigiCert Global G3 TLS ECC SHA384 2020 CA1
2025-09-04 → 2026-09-04
[ inter ]DigiCert Global G3 TLS ECC SHA384 2020 CA1
1818 days left
issuer: DigiCert Global Root G3
2021-04-14 → 2031-04-13
// Save jumbo.com → we'll run this daily and alert on changes. /signup →