Wrong zone file..

[Barry Margolin]

In article <e8e92b$4hv$1 at sf1.isc.org>,
 "John Clement" <john.clement at readingroom.com> wrote:

> I'm trying to get a sub-domain set up as follows:
> 
> this.domain.com. IN	MX	mail.anotherdomain.com.
> 
> *.this.domain.com.	IN CNAME	anotherdomain.com.
> This.domain.com.	IN	CNAME	anotherdomain.com .
> 
> However if I put this in domain.com's zone file I get an error
> 
> Jul  3 10:19:44 lepton named[30325]: this.domain.com has CNAME and other
> data (invalid) Jul  3 10:19:44 lepton named[30325]:
> domain.com.db:28:this.domain.com: CNAME and OTHER data error Jul  3
> 10:19:44 lepton named[30325]: master zone "domain.com" (IN) rejected due
> to errors (serial 2006070304)

Correct.  Since this.domain.com is an alias, it can't also have an MX 
record of its own.

> 
> So I added this.domain.com to /etc/named.conf and created
> this.domain.com's own zone file but now get

If this.domain.com's zone file tries to make it an alias for 
anotherdomain.com, it won't work, because the same name cannot be both 
an alias and also have an SOA record of its own.

> 
> # dig this.domain.com
> 
> ; <<>> DiG 8.4 <<>> this.domain.com
> ;; res options: init recurs defnam dnsrch no-nibble2 ;; got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 52825 ;; flags: qr
> aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0 ;; QUERY
> SECTION:
> ;;      this.domain.com, type = A, class = IN
> 
> ;; AUTHORITY SECTION:
> domain.com.             4H IN SOA       dns0.ourdnsservers.com.
> hostmaster.ourdns.net. (
>                                         2006070304      ; serial
>                                         3H              ; refresh
>                                         1H              ; retry
>                                         1W              ; expiry
>                                         4H )            ; minimum
> 
> 
> ;; Total query time: 2 msec
> ;; FROM: lepton.ourdnsservers.net. to SERVER: 192.168.0.21 ;; WHEN: Mon
> Jul  3 10:36:00 2006 ;; MSG SIZE  sent: 34  rcvd: 110
> 
> So it looks like its going to domain.com for the answer, not
> this.domain.com, is there any reason for this?
> 
> Thanks - jc

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
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