No matter the hosting provider, we commonly get reports of, "my website is down," that turn out to be DNS, ISP, or networking issues only affecting a few people.
First verify that your website is live by going to one of these two websites:
http://www.pagewash.com
http://www.selfseo.com/ping_test.php
This will verify whether your site is actually down, or if you have a local issue.
If you cannot load the site with these methods, contact your hosting provider immediately, your site probably IS down. Otherwise, try to resolve it with the following:
- Open a command-prompt, on windows: Start→Run, type "cmd" and hit enter. A black command window should open.
- Ping your site's IP, with the IP from selfseo.com/ping_test.php (or similar utility).
- ping 192.168.10.1
- Ping your domain name, and check the resulting IP.
- ping mydomain.com
With that done, here's what may be happening:
- your IP ping gets no repsonse.
- Your IP may be blacklisted on the server, please contact your hosting provider and provide them your IP [whatismyip.com]
- your domain ping is trying to ping a different IP than the selfseo-ping result.
- Your ISP or NS Server has not updated its listing for your domain. Try the following in CMD:
- ipconig /flushdns
- ping mydomain.com. (with the trailing dot)
- If that fails, contact your Network admin, or your ISP.
- Your ISP, or the www network-path, may have incorrect routing tables. Please do the following:
- tracert mydomain.com
- go to http://network-tools.com and run the Trace.
- Provide the results of both traces to your hosting provider.
Additional Referenes:
http://commandwindows.com/tcpiputil.htm
http://www.websitepulse.com/help/tools.php