Website Uptime Monitor

Monitor website availability and server information for any domain

jifei123.com

Uptime & Server Information

WhoisRDAPDNS RecordsCertificateUptimeDiagnosticsHistoryHide Contact Info

Current Status

Status
Active
Server Type
Microsoft-IIS/6.0
Page Title
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Meta Description
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Meta Keywords
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Most Recent Data
0 hours, 0 minutes ago

Historical Data

DateStatusServer
8/14/2026, 5:55:04 PMActiveMicrosoft-IIS/6.0
5/30/2026, 11:22:15 PMActiveMicrosoft-IIS/6.0
5/16/2026, 10:22:57 PMActiveMicrosoft-IIS/6.0
3/3/2026, 4:22:22 AMActiveMicrosoft-IIS/6.0
2/1/2026, 9:36:13 AMInactiveUnknown
12/27/2025, 10:40:59 AMInactiveUnknown
11/23/2025, 2:19:32 PMInactiveUnknown
11/9/2025, 8:50:20 PMInactiveMicrosoft-IIS/6.0
11/5/2025, 10:16:00 PMInactiveMicrosoft-IIS/6.0
9/1/2025, 1:53:17 AMActiveMicrosoft-IIS/6.0
7/6/2025, 7:45:13 PMActiveMicrosoft-IIS/6.0

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.