~/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: aldi.de
Issued by: E8
Valid from: 2026-04-04
Valid until: 2026-07-03 (73 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: C2:76:98:C0:19:43:E9:AC:34:53:16:F9:18:81:32:CE:34:8F:B5:40:A6:28:6E:6D:E1:F7:AB:CC:67:11:84:76
Serial: 0508E2B63A14E2A7B7200D3BB11E2F68C39E

subject_alt_names · 1

aldi.de

certificate_chain · 2 certs

[ leaf ]aldi.de

73 days left

issuer: E8

2026-04-04 → 2026-07-03

[ inter ]E8

325 days left

issuer: ISRG Root X1

2024-03-13 → 2027-03-12

// Save aldi.de → we'll run this daily and alert on changes. /signup →