Is It Down Right Now? - Network & Admin
UPDOWNtoday - UPDOWNTODAY allows you to check whether the website is down or not.
Is it Down? - Is it down can check if a website is down or is it just your PC that can not access it.
Site Down - Site down outage and downtime reports from SiteDown.co
downinspector.com - Find out if a website is down for everyone or just you.
Uptime Web - UpTimeWeb is a simple, clean, easy to use powerful monitoring system without the “bloat”, that is...