Website Down Checker

See whether a site was up at our last check and when it last went down.

Current Status

Status
Active
Server Type
Microsoft-IIS/10.0
Page Title
e考天下|在线考试|培训学习|能力提升|证书档案|在线考试系统|在线培训系统|上机操作考试|信息技术考试|无纸化考试|考试云服务|抓拍监考|可视化监考|信息技术中考|高中信息技术学考
Meta Description
考天下为考试机构、行政事业、教育公安、大型企业提供在线考试系统、在线培训学习系统,被动学习+个性化自主练习,构建岗位/职级/警种能力提升模型
Meta Keywords
培训学习,在线考试,能力提升,证书档案,在线考试系统,在线培训系统,培训考试系统,考试系统,培训系统,上机操作考试,在线学习平台,信息技术考试,高中学业水平考试无纸化考试,初中学业水平考试无纸化考试,信息技术中考,信息技术学考,大学信息技术课考试
Last Checked
just now
Last Status Change
Came back up — 6 months ago (4/22/2026)
Last Downtime
First seen down 9 months ago (1/15/2026), back up 6 months ago

Observed Changes

DateStatusServer
11/4/2026, 3:37:43 PMActiveMicrosoft-IIS/10.0
4/22/2026, 4:03:02 PMActiveMicrosoft-IIS/10.0
3/15/2026, 3:59:51 AMInactiveUnknown
1/17/2026, 6:42:57 AMInactiveUnknown
1/15/2026, 3:05:40 AMInactiveUnknown
11/13/2025, 1:42:59 AMActiveMicrosoft-IIS/10.0
10/12/2025, 12:43:03 AMInactiveUnknown
9/5/2025, 1:54:39 AMActiveMicrosoft-IIS/10.0
7/13/2025, 3:31:54 AMInactiveUnknown

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 monitor with 7-day uptime percentage, failed checks, average latency by region, and daily outages

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, CNAME, TXT 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

This page shows whether we could reach a website the last time we checked it. We also keep a record of when it went down and came back, so you can see whether an outage is new or has happened before. For each site we show:

  • Website availability and response status
  • Server software and configuration
  • Meta information including titles and descriptions
  • Historical uptime patterns

What this page reports

  • Last status change: When we last saw a site switch between reachable and unreachable
  • Last downtime: When a site was most recently seen down, and whether it has come back
  • Server and meta information: The server software, page title and meta tags we last observed

We check a domain at most once a day and record an observation only when something changes, so these are the times a change was seen rather than the exact moment it happened. For continuous, minute-by-minute checks with alerting, use website monitoring.


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.