SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
read.lancs.sch.uk
SSL/TLS Certificate
SSL/TLS Certificate for read.lancs.sch.uk
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- read.lancs.sch.uk
- Valid from
- Jun 18, 2026
- Valid until
- Sep 16, 2026 (57 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05475A43E2BB2D1EB86B65E82F6C388802A9
- SHA-256 fingerprint
- 05:81:93:FB:37:49:F7:48:42:C8:04:3A:5F:2A:F4:F6:AB:6B:51:BB:61:0E:CA:63:38:2D:DF:3F:42:8A:D3:D8
- 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.