SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
fuco-ele.co.jp
SSL/TLS Certificate
SSL/TLS Certificate for fuco-ele.co.jp
Valid- Issued by (CA)
- GlobalSign nv-sa
- Subject
- www.fuco-ele.co.jp
- Valid from
- Jul 14, 2026
- Valid until
- Jan 29, 2027 (168 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 4B2717904F5C95B53D50247A
- SHA-256 fingerprint
- E4:B4:80:7B:F5:73:AF:2F:DA:1D:D5:5C:F1:9C:59:46:E4:FE:88:94:D1:42:A1:9E:BB:92:27:B0:C3:88:DE:0C
- Chain
- GlobalSign GCC R3 DV TLS CA 2020 → GlobalSign
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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Uptime
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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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