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 alumo.de
Valid- Issued by (CA)
- ZeroSSL GmbH
- Subject
- alumo.de
- Valid from
- Jul 9, 2026
- Valid until
- Oct 7, 2026 (78 days remaining)
- Public key
- EC 256-bit
- Serial
- D5F4DA732171E47C1143F337DB8C86ED
- SHA-256 fingerprint
- AE:75:8E:66:96:A5:EC:2C:EC:FF:49:AF:39:8A:10:8C:14:5F:88:27:0C:36:D4:65:5C:36:9A:86:5B:BD:1E:45
- Chain
- ZeroSSL ECC DV SSL CA 2 → Sectigo Public Server Authentication Root E46 → USERTrust ECC Certification Authority
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.