How to alias a domain

Barry Margolin barmar at alum.mit.edu
Fri Jan 16 15:45:23 UTC 2015


In article <mailman.1425.1421421969.26362.bind-users at lists.isc.org>,
 Phil Mayers <p.mayers at imperial.ac.uk> wrote:

> On 16/01/2015 15:07, John wrote:
> > On 1/16/2015 8:59 AM, Phil Mayers wrote:
> >> On 16/01/2015 13:00, John wrote:
> >>> But for this to work I would need  to enable recursion on the
> >>> authoritative server for  masters
> >>
> >> Why?
> >>
> > Because the last time I tried it, it did not work!
> 
> Authoritative servers don't need to enable recursion to use DNAME. 
> They'll either serve a DNAME (to DNAME-capable recursive clients) or a 
> synthesised CNAME (to DNAME-incapable).
> 
> DNAME might not be working, but whatever the reason, it's not because 
> your authoritative isn't recursing.
> 
> And yes, doing recursion on an auth server isn't a good idea.

And even if you enable it, it won't help. The queries to auth servers 
usually come from caching servers, and they don't request recursion.

-- 
Barry Margolin
Arlington, MA


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