SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
ptweb.co.uk
SSL/TLS Certificate
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
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.