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
Unknown
Page Title
学商圈 学习型商务人士社交圈 学习 & bull;商务 & bull;圈层 & bull;共赢 人脉圈 MBA人脉圈 百倍扩大人脉 线上线下(连锁会所)商务人脉平台方案提供商,已为北上广等校友会搭建平台,每月n场活动100倍扩展人脉+商机,数千MBA校友和企业家资源,招募各种主题活动主办方可提供60人场地和邀约来宾 专业bsns网站开发 快乐健康 学习交流 拓展人脉 商务合作 分享共赢 团结互助 共谋发展 打造真正的 资源共享 共创共赢 平台 xueshangquan.com
Meta Description
学商圈面向MBA校友与企业家,线上社群结合线下连锁会所,每月举办多场主题活动。可为合作方提供60人场地并邀约来宾,招募各类主题主办方;同时承接校友会人脉平台搭建与商务网站开发。
Meta Keywords
MBA校友人脉圈,商务人士社交圈,企业家资源对接,线下商务活动场地出租,校友会活动策划,人脉拓展平台,商务社交活动主办,MBA同学会活动,企业家人脉沙龙,商务人脉平台搭建,活动主办方招募
Last Checked
just now
Last Status Change
No change observed
Last Downtime
Never observed down

Observed Changes

DateStatusServer
11/2/2026, 3:03:25 AMActiveUnknown

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.