HTTP Server header Spy v2.2
Provides HTTP headers, like Web Server and IP and other info
This extension provides HTTP headers, like Web Server and IP and other info with quick links to various IP inspection sites, and a link to lookup web server name. Perfect for tinkerers, and developers discovering less known web hosts for their sites, as well as double checking host itself isn't using 3rd party host for their site or acting as a reseller.
Source code: https://github.com/dw5/ServerSpy-Extension
Is a fork of: https://github.com/100apps/ServerSpy which adds more ip investigation sites, and web server lookup