Is bind 9.2.1 allowed "_" in dns name?

David Botham dns at botham.net
Wed Oct 23 12:58:27 UTC 2002


<places head and neck on chopping block> So, when did underscores become
legal in hostnames?

Thanks,

Dave...

> -----Original Message-----
> From: bind-users-bounce at isc.org [mailto:bind-users-bounce at isc.org] On
> Behalf Of Cricket Liu
> Sent: Tuesday, October 22, 2002 10:15 AM
> To: bind-users at isc.org
> Subject: Re: Is bind 9.2.1 allowed "_" in dns name?
> 
> 
> Julie Xu wrote:
> > Any one help me?
> >
> > I test it and it seems ok, but, I still want to know that does any
> > problem occur if a SND name includes "_" or other strange
characters.
> >
> > We want start to think about DDNS, and as I understand the bind8
have
> > problem with the sign "_".
> 
> It doesn't have problems with underscores, per se; it doesn't allow
> hostnames with underscores in them, by default, to protect resolvers
> that might interpret the underscores specially.
> 
> > Can I get some advice about the problem when you first time use
DDNS?
> 
> BIND 9 doesn't do name checking, so you can use underscores in
> domain names.
> 
> cricket
> 
> Men & Mice
> DNS Software, Training and Consulting
> www.menandmice.com
> 
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