SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
sendai-com.ac.jp
SSL/TLS Certificate
SSL/TLS Certificate for sendai-com.ac.jp
Valid- Issued by (CA)
- Japan Registry Services Co., Ltd.
- Subject
- sendai-com.ac.jp
- Valid from
- Jul 14, 2026
- Valid until
- Oct 10, 2026 (76 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 307AD9DE6F0AD6B3504EB29B747539AB
- SHA-256 fingerprint
- D4:81:75:7C:20:AB:8A:AE:91:0D:81:F8:22:56:33:9B:EB:19:D1:C5:DF:CE:4A:FE:60:93:95:87:44:1E:AF:40
- 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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