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 isim-school.com

Valid
Issued by (CA)
Google Trust Services
Subject
isim-school.com
Valid from
Jun 8, 2026
Valid until
Sep 6, 2026 (35 days remaining)
Public key
EC 256-bit
Serial
9B21A06420DCA7690E59494FD0ADD747
SHA-256 fingerprint
DC:1A:4B:43:A7:A0:54:32:2F:CC:B6:89:21:07:9E:9C:F8:08:53:25:95:6A:4A:03:1F:CF:35:52:5D:B3:74:37
Chain
WE1 → GTS Root R4
Subject Alternative Names (2)
*.isim-school.com, isim-school.com

Certificate Authority Authorization (CAA)

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

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Uptime

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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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