SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

SSL/TLS Certificate for nasebabicka.cz

Self-signed
Issued by (CA)
TESTING CERTIFICATE
Subject
localhost
Valid from
Jun 24, 2022
Valid until
Dec 24, 2022 (expired 1306 days ago)
Public key
RSA 2048-bit
Serial
2C2DD15BD9E5F8417470880FA0423E3F6F3314BD
SHA-256 fingerprint
77:F6:C6:71:C6:F1:BA:76:83:09:7C:01:83:E0:1F:84:C7:B8:8D:C7:ED:84:D8:90:8E:F7:F9:64:E1:FA:79:94
Chain
localhost
Subject Alternative Names (1)
localhost

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.