~/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 85 more days.
── output ─────
Issued to
boulanger.com
Issued by
E8
Valid from
2026-04-30
Valid until
2026-07-29 (85 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
33:1B:10:11:BE:D0:75:A7:59:70:DC:AD:27:B2:92:13:32:E1:B5:BE:FA:7C:00:69:B9:CC:C9:87:ED:11:92:DD
Serial
0551988334D12B20F9A6034E97C89F28AE56
subject_alt_names · 1
boulanger.com
certificate_chain · 2 certs
[ leaf ]boulanger.com
85 days left
issuer: E8
2026-04-30 → 2026-07-29
[ inter ]E8
311 days left
issuer: ISRG Root X1
2024-03-13 → 2027-03-12
// Save boulanger.com → we'll run this daily and alert on changes. /signup →