~/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 68 more days.
── output ─────
Issued to
bunq.com
Issued by
ZeroSSL ECC Domain Secure Site CA
Valid from
2026-03-30
Valid until
2026-06-28 (68 days)
TLS version
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256
Key
EC (prime256v1) · 256 bit
Signature
ecdsa-with-SHA384
Forward secrecy
yes
Self-signed
no
Must-staple
no
SHA-256 fingerprint
A2:C5:36:BF:C6:CE:AE:F8:8D:4A:8A:73:85:E3:C2:8E:72:EE:8F:C0:7B:DD:88:02:B4:38:F1:BB:36:4E:9A:4A
Serial
592B427E46B1B4F60E0CE75CD7C2A0A0
subject_alt_names · 1
bunq.com
certificate_chain · 3 certs
[ leaf ]bunq.com
68 days left
issuer: ZeroSSL ECC Domain Secure Site CA
2026-03-30 → 2026-06-28
[ inter ]ZeroSSL ECC Domain Secure Site CA
1379 days left
issuer: USERTrust ECC Certification Authority
2020-01-30 → 2030-01-29
[ inter ]USERTrust ECC Certification Authority
985 days left
issuer: AAA Certificate Services
2019-03-12 → 2028-12-31
// Save bunq.com → we'll run this daily and alert on changes. /signup →