[Pdns-users] Conflicts with pre-existing RRset

Brian Candler b.candler at pobox.com
Wed May 22 06:38:30 UTC 2019

On 22/05/2019 06:18, 葉科貝 wrote:
> When I want to add @ cname google.com <http://google.com>
> It will display error:RRset beck.idv.tw <http://beck.idv.tw>. IN 
> CNAME: Conflicts with pre-existing RRset
> How can I resolve this?

The DNS standard does not allow a CNAME with the same label as any other 
resource record; and at the top level of a domain you have NS and SOA 
records, so you can't put it there.

The ALIAS <https://doc.powerdns.com/authoritative/guides/alias.html> 
functionality is designed for this use case.

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