Something strikes me as dodgy about this:
79.170.40.0 - 79.170.42.255
Heart Internet Network
United Kingdom
Jonathan Brealey
2 Castle Quay, Castle Boulevard, Nottingham. NG7 1FW
phone: +44.8456447750
Jonathan Brealey
2 Castle Quay, Castle Boulevard, Nottingham. NG7 1FW
phone: +44.8456447750
HEART-INTERNET
Source: whois.ripe.net
You would expect the domain to be registered to a government agency, not an individual... and the lack of .gov domain makes me suspicious.