SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
isfb11-asfb.org
SSL/TLS Certificate
SSL/TLS Certificate for isfb11-asfb.org
Hostname mismatch- Issued by (CA)
- Let's Encrypt
- Subject
- webroute-sni.auckland.ac.nz
- Valid from
- Oct 15, 2026
- Valid until
- Jan 13, 2027 (71 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 052085EC7DD594E8A23752B2DEB7DE62F14A
- SHA-256 fingerprint
- CE:1A:C1:02:2E:24:A1:28:34:47:76:23:CE:E8:71:30:07:E1:A4:13:B8:78:B0:45:ED:8A:10:4D:3C:2A:0D:88
- 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.
This certificate has been served since Sep 24, 2026.
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TLS certificate
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