SOA NS records

Barry Margolin barmar at genuity.net
Mon Apr 15 19:38:00 UTC 2002


In article <a9f489$62t at pub3.rc.vix.com>,
Karyn Williams  <karyn at calarts.edu> wrote:
>I am trying to understand if there is any kind of round-robining or load
>balancing when the SOA NS records are given out. Does it give them out
>ABCABCABC (assuming three NS records in the SOA) or in some other fashion ?
>So, does it make any difference the order in which they are placed in the
>SOA ?

They're given out in round-robin order, but the order doesn't matter.
Client nameservers keep a record of response time, and they send future
queries to the one with the best track record.

-- 
Barry Margolin, barmar at genuity.net
Genuity, Woburn, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
Please DON'T copy followups to me -- I'll assume it wasn't posted to the group.


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