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 ptweb.co.uk

Valid
Issued by (CA)
Let's Encrypt
Subject
ptweb.co.uk
Valid from
Jun 23, 2026
Valid until
Sep 21, 2026 (61 days remaining)
Public key
RSA 2048-bit
Serial
05404161D2B60851C5814598E55DFE8CA303
SHA-256 fingerprint
01:18:D3:7F:95:A3:4F:1A:F6:FA:82:39:41:84:D4:E2:C0:29:69:79:33:63:CA:01:F1:E3:CE:EA:1B:54:79:2F
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (2)
*.ptweb.co.uk, ptweb.co.uk

Certificate Authority Authorization (CAA)

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