Website Uptime Monitor

Monitor website availability and server information for any domain

Current Status

Status
Active
Server Type
XXXXXX
Page Title
NAC | Narodowe Archiwum Cyfrowe
Meta Description
Not available
Meta Keywords
Not available
Most Recent Data
0 hours, 0 minutes ago

Historical Data

DateStatusServer
7/30/2026, 5:54:19 AMActiveXXXXXX
4/18/2026, 4:05:24 AMActiveXXXXXX
4/14/2026, 3:12:53 AMActiveXXXXXX
3/17/2026, 9:41:30 AMInactiveUnknown
1/21/2026, 10:00:28 PMInactiveUnknown
12/28/2025, 9:10:55 PMInactiveUnknown
12/21/2025, 8:09:26 AMInactiveUnknown
11/8/2025, 7:42:33 AMActiveXXXXXX
11/4/2025, 12:51:25 PMActiveXXXXXX
11/2/2025, 4:23:59 PMActiveXXXXXX
11/1/2025, 12:32:43 AMActiveXXXXXX
10/25/2025, 8:49:35 AMActiveXXXXXX
10/23/2025, 3:15:55 AMActiveXXXXXX
10/21/2025, 12:25:34 PMActiveXXXXXX
10/18/2025, 4:01:26 PMActiveXXXXXX
10/16/2025, 3:28:54 PMActiveXXXXXX
10/15/2025, 1:31:40 PMActiveXXXXXX
10/13/2025, 9:53:16 AMActiveXXXXXX
10/9/2025, 1:37:55 AMActiveXXXXXX
9/29/2025, 5:20:14 AMActiveXXXXXX
9/26/2025, 2:49:46 AMActiveXXXXXX
9/24/2025, 7:46:31 PMActiveXXXXXX
9/23/2025, 2:01:29 AMActiveXXXXXX
6/2/2025, 9:34:58 AMActiveXXXXXX
5/10/2025, 4:56:28 PMActiveXXXXXX
5/9/2025, 1:27:49 PMActiveXXXXXX

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.

Monitor uptime free

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.