SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
oki-park.jp
SSL/TLS Certificate
SSL/TLS Certificate for oki-park.jp
Valid- Issued by (CA)
- Sectigo Limited
- Subject
- oki-park.jp
- Valid from
- Nov 12, 2025
- Valid until
- Dec 13, 2026 (37 days remaining)
- Public key
- RSA 2048-bit
- Serial
- DB36555B4472F6025C0806C6BD68166D
- SHA-256 fingerprint
- EF:1D:7B:F2:0E:32:30:61:5D:E3:CE:D3:32:E5:02:8D:3F:B1:73:01:8C:53:D6:3D:67:27:D0:0D:8F:7C:F5:05
- Chain
- Sectigo Public Server Authentication CA OV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by oki-park.jp's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch oki-park.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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