~/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 67 more days.
── output ─────
Issued to
ikea.com
Issued by
WE1
Valid from
2026-03-29
Valid until
2026-06-28 (67 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
85:E5:DB:D3:D5:19:38:02:35:5B:07:9C:CD:5D:BC:9E:AB:95:8F:97:2C:83:5D:0F:3D:FF:5F:C9:BE:6C:EB:65
Serial
5DE4135E96F3669E136EEBAD1D8F1562
subject_alt_names · 1
ikea.com
certificate_chain · 3 certs
[ leaf ]ikea.com
67 days left
issuer: WE1
2026-03-29 → 2026-06-28
[ inter ]WE1
1035 days left
issuer: GTS Root R4
2023-12-13 → 2029-02-20
[ inter ]GTS Root R4
646 days left
issuer: GlobalSign Root CA
2023-11-15 → 2028-01-28
// Save ikea.com → we'll run this daily and alert on changes. /signup →