Using Wild card in DNS record for subdelegation

Mark Andrews Mark_Andrews at isc.org
Wed Oct 20 22:09:57 UTC 2004


> Hi,
>     I am using Bind 8.3.4. 
> 
>     Is there a way to delegate of all 3rd level domains to a name
> server without creating NS entries for all the 100 3rd level domains
> like below :
>             
> In the  zone file of db.def.com
> 
> domain1     IN NS    svr1.def.com
> domain2     IN NS    svr2.def.com
> domain3     IN NS    svr3.def.com
> ....
> ...
> domain100  IN NS svr3.def.com
> 
> Can I use wild card to save entering all the 100 domain describe above
> ?

	I repeat.

	No.  "* NS" has undefined semantics.

> Many thanks
> VSSS
> Mark Andrews <Mark_Andrews at isc.org> wrote in message news:<cl1kh3$2d7d$1 at sf1.
> isc.org>...
> > > Recently I hv a requirement to subdelegate out any 3rd level domain of
> > > abc.com to another DNS server. Can I define as follow with a wild card
> > > ?
> > 
> > 	No.  "* NS" has undefined semantics.
> >  
> > > Under the dbfile for the 2ndlevel.com zone file.
> > > $Origin abc.com IN SOA ....
> > > ..
> > > ..
> > > * IN NS     svr1.def.com.
> > > svr1.def.com.    IN A 55.55.55.55
> > > 
> > > 
> > > E.g, Anyone performing query to www.aaa.def.com; www.bbb.def.com;
> > > www.ccc.def.com; www.xxx.def.com ... will be forwarded to svr1.def.com
> > > name server.
> > > 
> > > Thanks alot
> > > VSSS
> > >
> 
--
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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