1. Siteuptime.Com / Hyperspin.Com
One way to verify if your website is really inaccessible is my logging on to any of these websites. Using their quick test/check you will easily know if your website is really down or inaccessible. These companies has multiple node all over the world and can check immediately if there is a problem. I personally accept the result of these websites. If you wish to show me the result, just simply save the screenshots and e-mail it to me.
You can use the links below to use their services:
a) http://siteuptime.com/users/quickcheck.php
b) http://www.hyperspin.com/en/quicktest.php
2. Ping & Traceroute
Ping - a utility to determine whether a specific IP address (website) is accessible. It works by sending a packet to the specified address and waiting for a reply. PING is used primarily to troubleshoot Internet connections.
Definition by: http://www.webopedia.com/TERM/P/PING.html
Example:
Tracert - a utility that traces a packet from your computer to an Internet host, showing how many hops the packet requires to reach the host and how long each hop takes. If you’re visiting a Web site and pages are appearing slowly, you can use traceroute to figure out where the longest delays are occurring.
Definition by: http://www.webopedia.com/TERM/t/traceroute.html
Example:
To perform Ping or Tracert commands, please follow below instructions:
Windows 2000/XP
* Click Start.
* Click Run.
* Type in cmd in the Open field and click OK.
* The black command prompt window will open. Click into the black window so you can type commands in.
For Ping
* Type ping <yourdomain.com> then you wait for the result, similar to the above image.
For Tracert
* Type tracert <yourdomain.com> then you wait for the result, similar to the above image.
3. Check your website from another location or ask your friend
There is no reason for you to do this if you already perform the first and second procedure. However, this is very useful if you think that the problem is “Selective Browsing” which is another topic on the list of category.
If you already perform all these procedures (specially no. 1) then please let me know all the results.