Website Uptime Monitor
Monitor website availability and server information for any domain
atmar.cn
Uptime & Server Information
Current Status
Historical Data
| Date | Status | Server |
|---|---|---|
| 7/29/2026, 5:12:18 AM | Active | nginx |
| 7/26/2026, 9:46:17 AM | Active | nginx |
| 7/8/2026, 11:10:37 AM | Active | nginx |
| 6/1/2026, 3:19:11 PM | Active | nginx |
| 11/4/2025, 5:48:03 AM | Active | nginx |
| 10/27/2025, 9:13:21 AM | Active | nginx |
| 10/21/2025, 6:52:01 PM | Active | nginx |
| 10/18/2025, 9:24:30 AM | Active | nginx |
| 10/13/2025, 8:17:26 PM | Active | nginx |
| 10/9/2025, 5:00:34 PM | Active | nginx |
| 10/7/2025, 8:30:11 AM | Active | nginx |
| 10/4/2025, 8:43:39 PM | Active | nginx |
| 9/30/2025, 6:39:17 PM | Active | nginx |
| 9/28/2025, 11:14:29 PM | Active | nginx |
| 9/26/2025, 1:47:31 PM | Active | nginx |
| 9/22/2025, 5:02:08 PM | Active | nginx |
| 9/17/2025, 2:44:17 PM | Active | nginx |
| 9/13/2025, 4:44:55 PM | Active | nginx |
| 9/9/2025, 5:20:26 PM | Active | nginx |
| 9/4/2025, 4:02:07 PM | Active | nginx |
| 9/1/2025, 9:25:18 AM | Active | nginx |
| 8/30/2025, 5:42:12 PM | Active | nginx |
| 8/28/2025, 5:36:19 PM | Active | nginx |
| 8/25/2025, 4:35:58 AM | Active | nginx |
| 8/23/2025, 8:08:47 PM | Active | nginx |
| 8/20/2025, 8:37:54 PM | Active | nginx |
| 8/19/2025, 2:32:09 AM | Active | nginx |
| 8/17/2025, 3:07:09 AM | Active | nginx |
| 8/3/2025, 1:31:06 PM | Inactive | Unknown |
Don't just check uptime once — watch it 24/7
This is a one-time check. Turn on monitoring and we'll watch the domains that matter to you 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, 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.
Free for your first domain: uptime, DNS, and certificate together. No credit card.
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.
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
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.