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 wis.de
Valid- Issued by (CA)
- GlobalSign nv-sa
- Subject
- *.wis.de
- Valid from
- Mar 12, 2026
- Valid until
- Apr 13, 2027 (266 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 1E3BBB24D4E1830CD90923A4
- SHA-256 fingerprint
- 02:EE:03:D1:BD:1C:F8:D7:43:5C:52:FD:F8:A6:AA:9B:9C:77:65:E7:BF:47:7A:0C:BF:FB:B2:65:52:71:78:32
- Chain
- GlobalSign RSA OV SSL CA 2018 → GlobalSign
Certificate Authority Authorization (CAA)
The serving CA (GlobalSign nv-sa) is authorized by this domain's CAA records (globalsign.com, wis.de).