special characters in zone files
Mark Andrews
Mark_Andrews at isc.org
Sat Jan 28 22:17:26 UTC 2006
> Thanks for your response.
>
> It seems you missed the fact I had already tried to escape with the \.
>
> RFC1035 did indeed contain an example of using \ to do escaping in the
> SOA but this was in the MNAME even though the comment below it implies
> it would work for the RNAME. To restate what I previously said using \
> in the RNAME didn't help.
>
> My SOA record:
> @ IN SOA dswadns1.water.com.
> domain\.technician.water.com. (
> 2006012801 ; serial
> 10800 ; refresh
> 3600 ; retry
> 604800 ; expire
> 86400 ) ; default_ttl
>
> In the above dswadns1.water.com. is the MNAME and
> domain.technician.water.com is the RNAME.
>
> However on doing a reverse lookup (this is an arpa in.addr zone file)
> www.dnsstuff.com shows the address as domain at technician.water.com
> instead of domain.technician at water.com.
So www.dnsstuff.com is broken. Report it to them.
Did you use "dig" to check the SOA record?
> The pointer to specific RFCs was helpful though. I'm a newbie to DNS
> (inherited existing environment) and at least knowing this was the RNAME
> gave me something more to Google on. The only direct reference I found
> to it failing was on MS Windows and their fix was an SP. Since I'm
> running Linux that isn't going to help. Most other references
> indicated as you did that escaping it with \ should work but it simply
> doesn't seem to. I couldn't find any example SOAs in which a \ had been
> put in the RNAME.
>
> Is it possible it's just that www.dnsstuff.com itself isn't properly
> interpreting the RNAME? Should an external site like that even see the
> full entry rather than interpretation of it by named? I'd have thought
> it wouldn't.
>
> FYI: Based on the comment mentioned in RFC1035 I did try putting quotes
> around the entire RNAME rather than just the person portion as done
> previously but this again broke the zone file.
>
> -----Original Message-----
> From: bind-users-bounce at isc.org [mailto:bind-users-bounce at isc.org] On
> Behalf Of Barry Margolin
> Sent: Saturday, January 28, 2006 1:07 AM
> To: comp-protocols-dns-bind at isc.org
> Subject: Re: special characters in zone files
>
> In article <drdqbv$1j7r$1 at sf1.isc.org>,
> "Jeff Lightner" <jlightner at water.com> wrote:
>
> > Is there a way to use special characters like the dot in the name so
> > that it will properly equate the entry to domain.technician at water.com?
>
> Special characters can be escaped with '\', so use
> domain\.technician.water.com.
>
> > Googling and examining the Bind 9 manual didn't help. I'm using Bind
> > 9.2.1.
>
> I'm pretty sure there's an example of it in RFC 1034 or 1035.
>
> --
> Barry Margolin, barmar at alum.mit.edu
> Arlington, MA
> *** PLEASE post questions in newsgroups, not directly to me ***
> *** PLEASE don't copy me on replies, I'll read them in the group ***
>
>
>
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews at isc.org
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