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Date: Wed, 28 Apr 2021 13:15:01 +0200 (CEST)
From: Dietmar Maurer <dietmar@proxmox.com>
To: Wolfgang Bumiller <w.bumiller@proxmox.com>
Cc: Proxmox Backup Server development discussion <pbs-devel@lists.proxmox.com>
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Subject: Re: [pbs-devel] [PATCH v2 backup 02/27] add dns alias schema
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> On 04/28/2021 1:07 PM Wolfgang Bumiller <w.bumiller@proxmox.com> wrote:
> 
>  
> On Wed, Apr 28, 2021 at 12:26:11PM +0200, Dietmar Maurer wrote:
> > Sorry, I don't get this. Why is DNS_LABEL and DNS_ALIAS_LABEL different?
> 
> One allows underscores at the beginning, the other doesn't, as for

But where is it defined that an ALIAS may contain underscores?
Do you have a link to the corresponding RFC?