Website Uptime Monitor
Monitor website availability and server information for any domain
valvesoftware.com
Uptime & Server Information
Current Status
Historical Data
| Date | Status | Server |
|---|---|---|
| 8/23/2026, 1:50:24 PM | Active | nginx |
| 8/20/2026, 8:35:15 AM | Active | nginx |
| 7/30/2026, 3:27:12 PM | Active | nginx |
| 6/19/2026, 5:33:20 AM | Active | nginx |
| 6/15/2026, 9:30:23 PM | Active | nginx |
| 6/4/2026, 7:52:01 PM | Active | nginx |
| 5/28/2026, 1:38:48 AM | Active | nginx |
| 4/28/2026, 5:05:22 PM | Active | nginx |
| 4/14/2026, 7:15:46 AM | Active | nginx |
| 4/9/2026, 12:35:50 PM | Active | nginx |
| 4/2/2026, 9:38:23 AM | Inactive | Unknown |
| 1/4/2026, 6:36:00 PM | Inactive | Unknown |
| 12/29/2025, 12:56:45 AM | Inactive | Unknown |
| 12/25/2025, 1:00:56 PM | Inactive | Unknown |
| 12/21/2025, 1:09:27 AM | Inactive | Unknown |
| 11/16/2025, 6:16:22 PM | Active | nginx |
| 11/4/2025, 2:57:45 PM | Active | nginx |
| 11/3/2025, 11:32:52 AM | Active | nginx |
| 10/28/2025, 5:09:28 AM | Active | nginx |
| 10/27/2025, 4:05:51 AM | Active | nginx |
| 10/21/2025, 9:50:38 AM | Active | nginx |
| 10/18/2025, 4:56:43 PM | Active | nginx |
| 10/15/2025, 5:25:36 AM | Active | nginx |
| 9/30/2025, 3:51:47 AM | Active | nginx |
| 9/23/2025, 4:29:11 AM | Active | nginx |
| 9/8/2025, 3:44:44 PM | Active | nginx |
| 9/6/2025, 4:51:39 PM | Active | nginx |
| 9/5/2025, 10:30:43 AM | Active | nginx |
| 9/3/2025, 12:57:37 AM | Active | nginx |
| 8/23/2025, 9:28:31 PM | Active | nginx |
| 8/15/2025, 1:09:09 AM | Active | nginx |
| 7/29/2025, 5:40:29 PM | Inactive | Unknown |
| 7/18/2025, 6:10:28 PM | Active | nginx |
| 7/6/2025, 10:47:34 AM | Active | nginx |
| 7/2/2025, 12:14:26 AM | Active | nginx |
| 6/22/2025, 8:52:37 PM | Active | nginx |
| 6/21/2025, 6:19:51 AM | Active | nginx |
| 6/14/2025, 1:45:53 PM | Active | nginx |
| 6/12/2025, 2:19:55 AM | Active | nginx |
| 6/8/2025, 12:41:29 PM | Active | nginx |
| 5/31/2025, 10:23:07 AM | Active | nginx |
| 5/18/2025, 6:49:46 AM | Active | nginx |
| 5/15/2025, 6:48:48 PM | Inactive | Unknown |
| 5/5/2025, 7:58:05 PM | Active | nginx |
| 5/3/2025, 7:46:25 AM | Active | nginx |
| 4/27/2025, 8:14:23 PM | Active | nginx |
| 4/21/2025, 2:30:17 PM | Active | nginx |
| 4/19/2025, 4:44:11 PM | Active | nginx |
| 4/12/2025, 9:42:56 AM | Active | nginx |
| 4/8/2025, 1:52:17 AM | Active | nginx |
| 4/2/2025, 9:57:50 AM | Active | nginx |
| 3/30/2025, 4:23:39 PM | Active | nginx |
| 3/28/2025, 10:04:31 PM | Active | nginx |
| 3/25/2025, 7:15:00 PM | Active | nginx |
| 3/24/2025, 2:19:15 PM | Active | nginx |
| 2/28/2025, 4:28:20 AM | Active | nginx |
| 2/24/2025, 5:51:39 AM | Active | nginx |
| 2/20/2025, 11:07:12 PM | Active | nginx |
| 2/10/2025, 11:44:07 PM | Active | nginx |
| 2/6/2025, 8:10:28 PM | Active | nginx |
| 2/3/2025, 9:25:59 AM | Active | nginx |
| 1/29/2025, 4:48:31 AM | Active | nginx |
| 1/27/2025, 3:16:35 AM | Active | nginx |
| 1/24/2025, 6:03:41 PM | Active | nginx |
| 1/22/2025, 5:19:44 PM | Active | nginx |
| 1/21/2025, 7:22:47 AM | Active | nginx |
| 1/14/2025, 6:06:54 PM | Active | nginx |
| 1/8/2025, 9:49:50 PM | Active | nginx |
| 1/7/2025, 4:03:11 PM | Active | nginx |
| 1/6/2025, 1:37:35 AM | Active | nginx |
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.