SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
hongo-e.ed.jp
SSL/TLS Certificate
SSL/TLS Certificate for hongo-e.ed.jp
Valid- Issued by (CA)
- Japan Registry Services Co., Ltd.
- Subject
- www.hongo-e.ed.jp
- Valid from
- Sep 7, 2026
- Valid until
- Feb 28, 2027 (170 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 770B2EDB67C68079CAA25B58CCAEFE27
- SHA-256 fingerprint
- 52:E6:A3:C6:77:B2:DA:3E:EE:2E:B7:3E:FA:06:1F:1C:E0:30:B1:9D:10:86:AA:DB:D6:09:2A:04:19:2B:E7:CE
- Chain
- JPRS DV RSA CA 2024 G1 → SECOM TLS RSA Root CA 2024
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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