** Hugo Mills <hugo@???> [2010-05-05 16:55]:
> On Wed, May 05, 2010 at 01:04:51PM +0100, John Lewis wrote:
> > I don't understand the DNS system at all other than a need to put some
> > nameservers into /etc/resolv.conf (or equivalent) and didn't realise
> > until this problem came up that startx.co.uk needed the *.myth.co.uk
> > servers
>
> The DNS is, as James said, a distributed database. It primarily
> contains the information for turning a domain name (e.g. startx.co.uk)
> into an IP address. It can also contain a whole load of other
> information, but we'll ignore that for now.
<snip>
** end quote [Hugo Mills]
As an aside to this, it may be worth noting that today the final root
nameservers are being enabled for DNSSEC, which has caused some to worry about
systems having resolution problems. I believe that this is unlikely on the
whole, unless you have some pretty old routers or software, but probably worth
being aware of. This has been being rolled out for a few months now, and won't
fully go live until July.
http://www.zdnet.co.uk/news/security-management/2010/05/05/anti-spoofing-measure-embedded-at-internet-root-40088850/
http://www.icann.org/en/announcements/announcement-27jan10-en.htm
http://www.root-servers.org/
http://www.root-dnssec.org/
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