Reverse IP Lookup – Server IP -Check Domain add-on (extension) adds

Reverse IP Lookup – Server IP -Check Domain add-on (extension) Firefox, Opera, Chrome,.. adds a small notification box to websites that displays a country flag depicting the location of the current website’s server and provides a multitude of tools such as whois, and Geo location on browser click.

IP Server add-on is an extension that displays a flag icon indicating the current webserver’s physical location. Knowing where you’re connected to adds an extra layer of awareness to your browsing and can be useful to indicate the native languages and legal jurisdictions that may apply. Additional information can be obtained via the click on the toolbar icon.

Clicking the flag icon loads our default action, Geotool, which gives a detailed map showing the city the server is in and other useful information such as its local time and ISP.

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Reverse IP Lookup – Find Other Web Sites Hosted on a Web Server

Find other sites hosted on a web server by entering a domain or IP address above.

Note: For those of you interested, as of May 2014, my database has grown to over 100 million domain names. I am now offering this domain list for purchase.

A reverse IP domain check takes a domain name or IP address pointing to a web server and searches for other sites known to be hosted on that same web server. Data is gathered from search engine results, which are not guaranteed to be complete. provides interesting visual reverse IP lookup tool. Knowing the other web sites hosted on a web server is important from both an SEO and web filtering perspective, particularly for those on shared web hosting plans.
More about this tool. Set an API Key.