~/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 36 more days.
── output ─────
Issued to
apple.com
Issued by
Apple Public EV Server ECC CA 1 - G1
Valid from
2026-02-26
Valid until
2026-05-27 (36 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
2A:C5:35:2A:4C:60:3F:FF:80:F5:24:BA:E6:08:8C:36:5C:22:99:E8:1E:9F:58:66:9E:F1:87:43:E1:A6:B1:BA
Serial
683DD800C7D60D4B1A0BE70D996EA9A0
subject_alt_names · 1
apple.com
certificate_chain · 3 certs
[ leaf ]apple.com
36 days left
issuer: Apple Public EV Server ECC CA 1 - G1
2026-02-26 → 2026-05-27
[ inter ]Apple Public EV Server ECC CA 1 - G1
1450 days left
issuer: DigiCert Global Root G3
2020-04-29 → 2030-04-10
[ root ]DigiCert Global Root G3
4286 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 →