SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
daigakuin-ryugaku.jp
SSL/TLS Certificate
SSL/TLS Certificate for daigakuin-ryugaku.jp
Valid- Issued by (CA)
- Google Trust Services
- Subject
- daigakuin-ryugaku.jp
- Valid from
- Jun 23, 2026
- Valid until
- Sep 22, 2026 (53 days remaining)
- Public key
- EC 256-bit
- Serial
- 50445205F2D336B0138113D663757FB5
- SHA-256 fingerprint
- AB:E1:D5:58:7B:D2:9D:B8:00:B1:36:49:F8:6E:09:E8:B4:25:0D:D5:D9:96:42:09:EE:97:26:F7:D9:AC:69:C0
- Chain
- WE1 → GTS Root R4
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
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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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