This free tool allows you to pull in the backlinks to a webpage and discover the TLD, Subdomain and Language of the title tag for each. You need an SEOmoz API key (free), and then you simply enter your details and a URL to analyse and away you go.

TOOL TEMPORARILY DOWN

This tool was costing me too much to run (it connects to AWS for some magic dust), so I've had to temporarily turn it off until I can find a new solution. It isn't high on my priority list, but I'm more likely to get to it if I know there is demand to harass me on Twitter if you were using it: @TomAnthonySEO

This won't be transmitted over the network, but is used to create an authentication signature.