[clug] Single MX, multiple A records

Martijn van Oosterhout kleptog at svana.org
Fri Aug 1 16:24:05 GMT 2008

On Fri, Aug 01, 2008 at 01:42:57PM +1000, Daniel Pittman wrote:
> They do, to encourage round-robin access across clients, since many
> resolvers return them in the same order they were received, and many
> clients just try the first, or try them in order.

As long as it's not getaddrinfo() in glibc, which sorts the returned
addresses before giving them to the program.

(at least, it did at one point, no idea if it still does. And yes, it
broke some programs).

Have a nice day,
Martijn van Oosterhout   <kleptog at svana.org>   http://svana.org/kleptog/
> Please line up in a tree and maintain the heap invariant while 
> boarding. Thank you for flying nlogn airlines.
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