SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
kimata-ph.co.jp
SSL/TLS Certificate
SSL/TLS Certificate for kimata-ph.co.jp
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- kimata-ph.co.jp
- Valid from
- Sep 9, 2026
- Valid until
- Dec 8, 2026 (37 days remaining)
- Public key
- EC 256-bit
- Serial
- 05A5AB9C376D241B5EE3E63D0F5E110E99D3
- SHA-256 fingerprint
- A6:68:F7:AE:45:07:57:B0:95:B5:CA:92:B3:91:F1:97:D4:AB:8E:6A:19:9D:0C:3B:E4:CE:D3:53:4E:AD:70:01
- Chain
- YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
DNS changes
We watch NS, MX, CAA, CNAME, TXT 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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