SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
itoki-g.co.jp
SSL/TLS Certificate
SSL/TLS Certificate for itoki-g.co.jp
Expiring soon- Issued by (CA)
- GlobalSign nv-sa
- Subject
- www.itoki-g.co.jp
- Valid from
- Sep 5, 2026
- Valid until
- Oct 8, 2026 (10 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 7CF853E4C493CDF6D3661E01
- SHA-256 fingerprint
- 72:02:49:7B:75:03:15:4D:56:52:A7:BE:E4:87:B2:78:B1:B8:E2:7F:CA:36:39:76:AD:2C:FE:1A:D7:D2:04:C2
- Chain
- GlobalSign GCC R46 AlphaSSL CA 2025 → GlobalSign Root R46
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by itoki-g.co.jp's certificate expiring
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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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