Website Uptime Monitor
Monitor website availability and server information for any domain
21seiki.co.jp
Uptime & Server Information
Current Status
Status
Active
Server Type
nginx
Page Title
株式会社二十一世紀 │ 静岡県富士市の土木・建築工事を手がける建設会社
Meta Description
株式会社二十一世紀は、静岡県富士市に拠点を構えて静岡県東部を中心に土木・建築工事を手がける地域に根ざした建設会社です。土木工事を主軸としつつ、近年は幅広い工事に事業範囲を広げています。
Meta Keywords
Not available
Most Recent Data
0 hours, 0 minutes ago
Historical Data
| Date | Status | Server |
|---|---|---|
| 6/29/2026, 8:23:52 AM | Active | nginx |
| 1/30/2026, 7:28:38 AM | Active | nginx |
| 1/23/2026, 11:28:23 AM | Inactive | Unknown |
| 1/8/2026, 9:28:55 PM | Inactive | Unknown |
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Metrics we monitor
- Uptime Percentage: The percentage of time your website is accessible
- Response Time: How quickly your server responds to requests
- Status Codes: HTTP response codes indicating server status
About Website Uptime Monitoring
Use the Who.is uptime information to track the availability and server information of websites. This helps track:
- Website availability and response status
- Server software and configuration
- Meta information including titles and descriptions
- Historical uptime patterns
This information is valuable for website owners, system administrators, and anyone interested in monitoring website reliability and performance.
Disclaimer: Who.is is not affiliated with, endorsed by, or connected to any of the domains displayed on this page. We provide this information as a public service for informational purposes only.