[dns-operations] Google Public DNS and round robin records

Klaus Darilion klaus.mailinglists at pernau.at
Mon Jul 30 08:27:19 UTC 2012

On 22.07.2012 18:19, Mark Jeftovic wrote:
> Am I right in thinking that Google public DNS simply does not cycle the
> multiple records on a round-robin host. There have been a few threads on
> this (i.e. google "round robin")
> At first I thought this was just impacting a specific customer domain
> but now it seems to be the same for any round-robin host I care to try
> against it:
> markjr at c3po:~$ dig +short rr.easypi.net @


Relying on round-robin has other short-comings too. E.g. if more 
developers use getaddrinfo() instead of gethostbyname() (which is 
obsolete) then the results will always be ordered, e.g. see:


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