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 synas.de
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- synas.de
- Valid from
- Jul 5, 2026
- Valid until
- Oct 3, 2026 (74 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05EB922B179FB0AA628151E2F9975259F27C
- SHA-256 fingerprint
- AE:0A:8D:0B:8F:5B:D2:D9:01:DE:7B:3A:94:C3:14:E9:83:F2:54:D6:20:38:5F:D2:EA:6D:1C:9D:F9:D0:38:5D
- Chain
- YR2 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.