SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
casis-canada.org
SSL/TLS Certificate
SSL/TLS Certificate for casis-canada.org
Valid- Issued by (CA)
- Google Trust Services
- Subject
- casis-canada.org
- Valid from
- Aug 13, 2026
- Valid until
- Nov 11, 2026 (42 days remaining)
- Public key
- EC 256-bit
- Serial
- 3FBA3385260C858E131EC9516A9CFE3E
- SHA-256 fingerprint
- 27:1C:5C:D9:94:D2:76:C6:11:7D:1B:E3:06:A7:D8:73:66:66:1C:97:84:9C:C6:CB:F7:16:A7:5D:E9:3D:37:B5
- Chain
- WE1 → GTS Root R4
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
We've observed 1 previous certificate for this host. This certificate has been served since Sep 22, 2026.
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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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