Wildcard depth on NAPTR records

[Mark Andrews]

> In article <dru3or$2l8t$1 at sf1.isc.org>,
>  "Ejay Hire" <ejay.hire at isdn.net> wrote:
> 
> > Hello all.
> > 
> > I have a unusual problem.  We use DNS for telephone routing.
> > I have a dns zone that contains NAPTR records, and have run
> > in to the following problem.
> > 
> > If I query my ns4, I get the proper response.  If I query my
> > other server, I get a NXDOMAIN response.  NS4 is the master,
> > the other server is a slave.  Replication is working
> > properly, and both servers answer properly for other
> > queries, in the same zone file.
> > 
> > I'm querying for 5.5.5.5.5.5.5.5.6.8.1.e164-pstn.isdn.net
> > 
> > The wildcard entry that should match it in the zone file is
> > 
> > *.1               IN NAPTR 100 11 "u" "E2U+SIP"
> > "!^\\+*(.*)$!sip:\\1 at telco01.isdn.net!".     
> > 
> > But when I do the following I get different results...  (on
> > ns4)
> > host -t NAPTR 5.5.5.5.5.5.5.5.6.8.1.e164-pstn.isdn.net 
> > 5.5.5.5.5.5.5.5.6.8.1.e164-pstn.isdn.net NAPTR 100 11 "u"
> > "E2U+SIP" "!^\\+*(.*)$!sip:\\1 at telco01.isdn.net!" .
> > 
> > host -t NAPTR 5.5.5.5.5.5.5.5.6.8.1.e164-pstn.isdn.net
> > telco07.isdn.net
> > Using domain server:
> > Name: telco07.isdn.net
> > Address: 207.65.69.254#53
> > Aliases: 
> > 
> > Host 5.5.5.5.5.5.5.5.6.8.1.e164-pstn.isdn.net not found:
> > 3(NXDOMAIN)
> 
> Whatever the problem is, it only seems to affect the 
> 4.1.e164-pstn.isdn.net, 6.1.e164-pstn.isdn.net, and 
> 8.1.e164-pstn.isdn.net.  Check the slave server to see if it has 
> something shadowing these subdomains -- wildcards don't cross zone 
> boundaries.

	9.2.2-P3 has a bug which he is depending apon.
 
> -- 
> 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