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 netid.de
Valid- Issued by (CA)
- Deutsche Telekom Security GmbH
- Subject
- *.netid.de
- Valid from
- Oct 14, 2025
- Valid until
- Oct 18, 2026 (89 days remaining)
- Public key
- RSA 3072-bit
- Serial
- 2DD1C672683CD7D6405D1780B4AD6D7E
- SHA-256 fingerprint
- B6:B1:E3:9F:FA:FB:0F:87:34:BC:4C:2E:71:7C:27:FB:90:F6:5E:9D:25:6D:85:B2:00:74:5B:3D:22:ED:CD:E0
- Chain
- Telekom Security ServerID OV Class 2 CA → T-TeleSec GlobalRoot Class 2
Certificate Authority Authorization (CAA)
CAA restricts issuance to digicert.com, sectigo.com, telesec.de; we couldn't map the serving CA (Deutsche Telekom Security GmbH) to one of these identifiers.