SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
isa-net.at
SSL/TLS Certificate
SSL/TLS Certificate for isa-net.at
Hostname mismatch- Issued by (CA)
- Sectigo Limited
- Subject
- *.brunner.at
- Valid from
- Jan 29, 2026
- Valid until
- Feb 3, 2027 (143 days remaining)
- Public key
- RSA 2048-bit
- Serial
- F842538A54A230926768ED1B309C3AB0
- SHA-256 fingerprint
- B7:47:55:A5:EC:DC:88:C0:D8:BC:CA:C3:24:DF:B0:29:EF:F5:0D:61:F0:AD:41:C2:61:FC:4C:CD:04:E9:FF:BD
- Chain
- Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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DNS changes
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TLS certificate
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