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 42101.net

Expired
Issued by (CA)
Let's Encrypt
Subject
55213.uk
Valid from
Oct 2, 2025
Valid until
Dec 31, 2025 (expired 202 days ago)
Public key
RSA 2048-bit
Serial
05FA2706162CB409692C8DECF4F8B2B20931
SHA-256 fingerprint
D2:08:87:2A:CD:D2:6E:36:D8:67:B4:BE:3F:0F:3A:88:9E:9D:83:5B:08:87:34:3C:EA:ED:E0:F5:81:34:7E:F1
Chain
R12 → ISRG Root X1
Subject Alternative Names (24)
01345.uk, 06741.uk, 11643.uk, 13697.uk, 20134.net, 20314.uk, 26314.uk, 30614.uk, 33541.uk, 42101.net, 46318.uk, 51367.uk, 53204.uk, 55213.uk, 60134.net, 64135.uk, 66413.uk, 67843.uk, 76591.uk, 79451.uk, 84065.net, 84132.uk, 84210.uk, 99124.uk

Certificate Authority Authorization (CAA)

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