This site will help you determine if another site / website is down. It can also tell you where the problem is when you click the
how do we know? under site is down. It will then give you a detaile list of the problems. Hope this is helpfull for some.
http://www.downornot.com/
Example:
darkstar is down!
How do we know?
Check darkstar from 3 random stations in the WatchMouse monitoring network.
Copenhagen, DK: Couldn't resolve host 'darkstar.com' (Couldn't resolve host name)(9206) ; DOWN
Odessa, UA: Couldn't resolve host 'darkstar.com' (Couldn't resolve host name)(9206) ; DOWN
Lille, FR: Couldn't resolve host 'darkstar.com' (Couldn't resolve host name)(9206) ; DOWN
If 2 or more stations find an error or do not get response within 4 seconds, we consider the site to be "down"
Ping darkstar.com from 43 locations worldwide : See your site's latency from all around the world
Other visitors of DownOrNot had the following results for darkstar.com:
17 Mar 2011 19:59 - Copenhagen, DK: Couldn't resolve host 'darkstar.com' (Couldn't resolve host name)(9206) (12 minutes ago)
17 Mar 2011 19:54 - Odessa, UA: Couldn't resolve host 'darkstar.com' (Couldn't resolve host name)(9206) (17 minutes ago)
17 Mar 2011 19:54 - Madrid, ES: Couldn't resolve host 'darkstar.com' (Couldn't resolve host name)(9206) (17 minutes ago)
17 Mar 2011 19:54 - Oslo, NO: Couldn't resolve host 'darkstar.com' (Couldn't resolve host name)(9206) (17 minutes ago)
17 Mar 2011 19:53 - Rio de Janeiro, BR: Couldn't resolve host 'darkstar.com' (Couldn't resolve host name)(9206) (18 minutes ago)
17 Mar 2011 19:53 - Stockholm, SE: Couldn't resolve host 'darkstar.com' (Couldn't resolve host name)(9206) (18 minutes ago)
17 Mar 2011 19:53 - Amsterdam2, NL: Couldn't resolve host 'darkstar.com' (Couldn't resolve host name)(9206) (18 minutes ago)