I had never heard of dnsmasq [1] before, this is a super useful tool! I frequently run into issues developing locally where certain 3rd party services (Intercom, for example) won't work properly on localhost.<p>[1] <a href="http://www.thekelleys.org.uk/dnsmasq/doc.html" rel="nofollow">http://www.thekelleys.org.uk/dnsmasq/doc.html</a>