SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
cs-park.jp
SSL/TLS Certificate
SSL/TLS Certificate for cs-park.jp
Valid- Issued by (CA)
- Amazon
- Subject
- cs-park.jp
- Valid from
- Jan 3, 2026
- Valid until
- Jan 31, 2027 (85 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 0B7FB38892619AAB0753DFD0AA2BBB64
- SHA-256 fingerprint
- 63:08:BC:3B:B6:B5:25:59:40:48:90:97:35:4C:8D:E2:E8:F5:09:08:0B:AB:55:88:A7:0B:66:4E:5A:CF:A2:1C
- Chain
- Amazon RSA 2048 M01 → Amazon Root CA 1 → Starfield Services Root Certificate Authority - G2
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by cs-park.jp's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch cs-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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