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 edu35.biz

Self-signed
Issued by (CA)
MyOrg
Subject
localhost
Valid from
Jun 20, 2026
Valid until
Jun 20, 2027 (322 days remaining)
Public key
RSA 2048-bit
Serial
506B209E9B1DF6B0D29E7BEF561CA5EA9A87FCEC
SHA-256 fingerprint
FE:EE:24:78:94:D2:5C:38:F5:DC:43:8E:24:5A:A8:BF:58:F7:2B:5B:F1:9D:35:E4:C1:DD:A5:E2:51:4D:D0:97
Chain
localhost

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.

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Uptime

We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.

DNS changes

We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.

TLS certificate

We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.

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