is your host or dhcp server sending dns dynamic updates for rfc1918?

Paul Vixie paul at vix.com
Fri Apr 19 16:16:21 UTC 2002


(received privately, answering publically)

> > any AS owner who wants to localize these updates can do so by simply
> > anycasting the 192.175.48/24 netblock and serving dns on .1,=20
> > .6, and .42.
> 
> Will it be a _bad_ thing if I just null-route those addresses in a
> controlled/documented/restorable manner in the ASes and other sub-AS
> networks that I administer?

not at all.

> Will it break anything valuable to you or to end-users inside those ASes?

nope.

> Is there is a certain reason I should run a real DNS server on 1, 6 and
> 42 (besides, of course, collecting statistics and chasing ab|users) ?

nope.

> Is there a centralised place with information on the blackhole-X anycast
> addresses and AS112 or a document with the proposal and implementation
> besides www.root-servers.org ?

um, nope.  if you think it should say more than it does, let us know and
we'll plump it up.



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