SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
kan.co.jp
SSL/TLS Certificate
SSL/TLS Certificate for kan.co.jp
Hostname mismatch- Issued by (CA)
- Cybertrust Japan Co., Ltd.
- Subject
- www.kan.co.jp
- Valid from
- Jan 4, 2026
- Valid until
- Jan 27, 2027 (131 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 7D960999C630F2A99D4C4F8C841513EA6C023BF4
- SHA-256 fingerprint
- 15:57:32:98:64:8A:7D:2C:9C:ED:87:06:E7:E0:0E:C3:5A:10:8E:0C:A7:3D:07:1D:17:63:4A:CB:0E:FA:E9:6D
- Chain
- Cybertrust Japan SureServer EV CA G3
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
This certificate has been served since Aug 2, 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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