[dns-operations] multi CNAMEs for a given host

Dave Warren davew at hireahit.com
Wed Jul 15 03:14:58 UTC 2015

On 2015-07-14 19:20, 彭勇华 wrote:
> I am just interested, this provider says they can have multi CNAME 
> records for a given host.
> https://www.cloudxns.net/Index/Extend.html
> Multi CNAMEs are answered to client by RR based on weight.
> How do you think of that? Thanks.

It looks like they're just resolving the CNAME themselves and returning 
answers randomly (on a weighted basis). Cute trick, if you use DNS for 
load balancing/distribution, but it doesn't look like they're actually 
providing multiple CNAMEs for a single host.

Dave Warren

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