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Re: about PTR for an IP



On Sun, 6 Aug 2023 13:08:29 +0000
Michael Kjörling <2695bd53d63c@ewoof.net> wrote:

> On 6 Aug 2023 20:01 +0800, from jon@daydaylive.us (Jon Smart):
> > but can an IP have multi hostnames in PTR?  
> 
> Sure. It's perfectly allowed. PTR is just another RRtype, and there's
> nothing particularly magical about the in-addr.arpa zone.
> 
> But actually doing it is generally a bad idea in practice.
> 

I don't think much actual software is designed with multiple PTRs in
mind.

-- 
Joe


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