~/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 73 more days.
── output ─────
Issued to
apple.com
Issued by
Apple Public EV Server ECC CA 1 - G1
Valid from
2026-04-23
Valid until
2026-07-16 (73 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
41:03:5D:2C:46:BF:24:FF:73:85:01:E2:7F:86:04:87:99:3A:68:76:49:F0:F8:0E:2C:34:40:7F:97:56:F3:A0
Serial
0B0D821BB015E5C61CBBF5C73E8285FB
subject_alt_names · 1
apple.com
certificate_chain · 3 certs
[ leaf ]apple.com
73 days left
issuer: Apple Public EV Server ECC CA 1 - G1
2026-04-23 → 2026-07-16
[ inter ]Apple Public EV Server ECC CA 1 - G1
1438 days left
issuer: DigiCert Global Root G3
2020-04-29 → 2030-04-10
[ root ]DigiCert Global Root G3
4274 days left
issuer: DigiCert Global Root G3
2013-08-01 → 2038-01-15
// Save apple.com → we'll run this daily and alert on changes. /signup →