[clug] Single MX, multiple A records
Alex Satrapa
grail at goldweb.com.au
Fri Aug 1 03:24:37 GMT 2008
On 01/08/2008, at 12:07 , Alex Osborne wrote:
> From what I've seen, DNS servers will usually return multiple A
> records in a random order each time they're queried. So likely
> even if the client host always just picks the first one, if the
> first delivery attempt happens to hit the dud server, the second or
> third attempt will hit the working server.
That might work if DNS lookups aren't cached.
Alex
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