~/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 81 more days.
── output ─────
Issued to
shopify.com
Issued by
WE1
Valid from
2026-04-14
Valid until
2026-07-13 (81 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
2F:84:3E:8A:48:AE:69:8E:D3:74:C7:55:61:E2:3B:30:FA:1B:9E:CA:38:72:6B:AE:84:25:59:82:5F:2B:92:D5
Serial
25C397EB3FFDC43A13981F703CF5D458
subject_alt_names · 2
shopify.com *.shopify.com
certificate_chain · 3 certs
[ leaf ]shopify.com
81 days left
issuer: WE1
2026-04-14 → 2026-07-13
[ inter ]WE1
1034 days left
issuer: GTS Root R4
2023-12-13 → 2029-02-20
[ inter ]GTS Root R4
644 days left
issuer: GlobalSign Root CA
2023-11-15 → 2028-01-28
// Save shopify.com → we'll run this daily and alert on changes. /signup →