SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
kitagawa-seika.com
SSL/TLS Certificate
SSL/TLS Certificate for kitagawa-seika.com
Valid- Issued by (CA)
- Japan Registry Services Co., Ltd.
- Subject
- kitagawa-seika.com
- Valid from
- Mar 31, 2026
- Valid until
- Sep 30, 2026 (70 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 7D9F2E5E896AF66096EB3A2C5280CC9F
- SHA-256 fingerprint
- 4A:C0:24:D6:35:25:76:E1:24:A1:E6:BA:0B:9E:6F:99:41:96:02:CB:09:2B:B0:A2:D4:36:76:79:0E:F6:7C:6A
- Chain
- JPRS Domain Validation Authority - G4
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, 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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