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
> >> 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
> Bob McConnell
It's not a PHP thing, it's a network thing (Domain Information Groper)