SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
k-official.jp
SSL/TLS Certificate
SSL/TLS Certificate for k-official.jp
Valid- Issued by (CA)
- DigiCert Inc
- Subject
- k-official.jp
- Valid from
- Feb 2, 2026
- Valid until
- Mar 3, 2027 (114 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 066A8615C4001E57027496E43EAE3994
- SHA-256 fingerprint
- 1F:2B:BD:F0:D2:FA:51:A9:A4:23:9D:96:73:A8:2B:93:94:54:EC:D5:47:AA:34:18:33:BB:9D:88:1E:CF:A8:A5
- Chain
- RapidSSL TLS RSA CA G1 → DigiCert Global Root G2
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by k-official.jp's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch k-official.jp continuously, notifying you the moment anything moves across all three signals:
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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