You Get Signal gives a facility to check the websites on a web server. Just enter your website and check which all other websites are there in that server. This is actually they are storing searches and IP then just listing it. So if you are the first searcher it will not give any result other than your site. Just give it a try and check who all from the same server done this search.

You Get Signal also offers some other features too like

1. Open port checking

2. Whois lookup

3. Visual Trace root – this shows the trace in Google Map

4. Network location tool -  this will locate a network in Google map.

and more

Check the site