On Tue, 2009-12-22 at 08:27 -0500, Bob McConnell wrote: > From: Andy Shellam > > >> > >> Both at home and at work there are caching DNS on the LAN. So a DNS > >> request may come back with a valid IP address when the WAN connection > is > >> down. I still won't be able to connect to the remote site. > > > > Dig an external server - e.g. dig @a.root-servers.net google.co.uk > > > > If your net is down the query will fail even if the reply is > > cached locally, because you're specifically requesting a response > > from a.root-servers.net. > > What means dig? I can't find it in the function index of the online > manual. > > Bob McConnell >
It's not a PHP thing, it's a network thing (Domain Information Groper) http://en.wikipedia.org/wiki/Domain_Information_Groper Thanks, Ash http://www.ashleysheridan.co.uk
