Website Uptime Monitor
Monitor website availability and server information for any domain
app.cat
Uptime & Server Information
Current Status
Historical Data
| Date | Status | Server |
|---|---|---|
| 9/5/2026, 9:05:23 AM | Active | Angie |
| 9/3/2026, 8:39:13 AM | Active | Angie |
| 5/3/2026, 10:19:56 AM | Active | Angie |
| 3/30/2026, 9:31:35 PM | Inactive | Unknown |
| 2/2/2026, 1:20:06 AM | Inactive | Unknown |
| 1/27/2026, 7:59:07 AM | Inactive | Unknown |
| 12/18/2025, 4:40:59 PM | Inactive | Unknown |
| 11/2/2025, 4:18:26 PM | Active | nginx |
| 11/1/2025, 12:49:15 PM | Active | nginx |
| 10/21/2025, 2:35:19 PM | Active | nginx |
| 10/19/2025, 9:02:55 PM | Active | nginx |
| 10/13/2025, 3:59:01 PM | Active | nginx |
| 10/12/2025, 10:55:12 AM | Active | nginx |
| 10/8/2025, 2:48:27 AM | Active | Apache |
| 10/7/2025, 2:04:11 AM | Active | Apache |
| 10/5/2025, 10:04:18 PM | Active | Apache |
| 10/4/2025, 9:49:14 PM | Active | Apache |
| 10/3/2025, 12:55:39 AM | Active | Apache |
| 9/30/2025, 10:46:43 PM | Inactive | Unknown |
| 9/29/2025, 7:44:24 PM | Active | Apache |
| 9/28/2025, 10:29:06 AM | Active | Apache |
| 9/26/2025, 11:52:31 PM | Active | Apache |
| 9/25/2025, 10:11:27 PM | Active | Apache |
| 9/23/2025, 10:45:44 PM | Active | Apache |
| 9/22/2025, 6:08:15 PM | Active | Apache |
| 9/21/2025, 12:14:14 AM | Active | Apache |
| 9/18/2025, 8:14:05 PM | Active | Apache |
| 9/17/2025, 7:57:18 PM | Active | Apache |
| 9/16/2025, 7:46:51 PM | Active | Apache |
| 9/12/2025, 8:48:26 AM | Active | Apache |
| 9/10/2025, 10:30:18 AM | Active | Apache |
| 9/6/2025, 10:55:14 PM | Active | Apache |
| 8/29/2025, 11:13:52 AM | Active | Apache |
| 8/23/2025, 4:12:19 AM | Active | Apache |
| 8/21/2025, 3:10:47 AM | Inactive | Unknown |
| 8/19/2025, 5:41:36 AM | Active | Apache |
| 8/17/2025, 9:12:24 AM | Active | Apache |
| 8/14/2025, 4:35:06 PM | Inactive | Unknown |
| 8/13/2025, 1:09:50 PM | Active | Apache |
| 8/11/2025, 12:30:37 PM | Active | Apache |
| 8/9/2025, 7:16:17 PM | Active | Apache |
| 8/8/2025, 10:17:51 AM | Active | Apache |
| 8/2/2025, 1:44:09 AM | Active | Apache |
| 7/31/2025, 11:45:03 PM | Active | Apache |
| 7/27/2025, 5:41:18 AM | Active | Apache |
| 7/25/2025, 6:14:05 PM | Active | Apache |
| 7/21/2025, 4:26:32 PM | Active | Apache |
| 7/1/2025, 7:50:54 AM | Active | Apache |
| 6/29/2025, 8:40:39 AM | Active | Apache |
| 6/22/2025, 6:16:50 PM | Active | Apache |
| 6/21/2025, 1:46:44 AM | Active | Apache |
| 6/18/2025, 5:01:53 AM | Active | Apache |
| 6/14/2025, 7:44:57 AM | Active | Apache |
| 6/13/2025, 4:59:35 AM | Active | Apache |
| 6/11/2025, 8:52:36 AM | Active | Apache |
| 6/10/2025, 4:06:47 AM | Active | Apache |
| 5/29/2025, 5:58:26 PM | Active | Apache |
| 5/18/2025, 6:51:51 PM | Active | Apache |
| 5/12/2025, 9:44:05 AM | Active | Apache |
| 5/4/2025, 6:46:47 PM | Active | Apache |
| 4/18/2025, 10:03:37 AM | Active | Apache |
| 4/1/2025, 10:18:53 PM | Active | Apache |
| 3/21/2025, 9:37:03 AM | Active | Apache |
| 3/16/2025, 8:40:30 AM | Active | Apache |
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.