[dns-operations] The (very) uneven distribution of DNS root servers on the Internet

Mark Andrews marka at isc.org
Wed May 16 07:53:09 UTC 2012

In message <4FB3437A.3090805 at redbarn.org>, paul vixie writes:
> On 5/15/2012 11:56 PM, David Conrad wrote:
> > ... In the context of this blog posting, I personally think having
> > folks (ISPs in particular) pre-fetch/mirror the root zone in their
> > caches is the right answer to pretty much any useful definition of
> > "fair and equitable" related to serving the root zone :-).
> now that i've been reminded that the SOA timers are shorter than the
> update frequency and that no NOTIFY is required for up-to-date stealth
> slave service; and now that the root is signed, making it unlikely that
> stealth copies will be amended or that their namespaces will be
> overloaded with other stealth slaves... i agree with drc here. let's
> start encouraging widespread stealth slavery for the root zone.

The only problem with this is ICANN wanting to make the DNS a flat
namespace by adding lots of vanity TLDs.   As these grow the space
required to serve "." increases and it will only be possible to do
this with large servers.

Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org

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