cname and soa record in the same zone file -- problem?

M. Meadows sun-guru at live.com
Tue Sep 18 15:08:34 UTC 2012



Why / how does this work?

dig -t any www.careerone.com.au @ns2.tmpw.net.

; <<>> DiG 9.3.6-P1-RedHat-9.3.6-20.P1.el5_8.2 <<>> -t any www.careerone.com.au @ns2.tmpw.net.
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 15513
;; flags: qr aa rd; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 3

;; QUESTION SECTION:
;www.careerone.com.au.          IN      ANY

;; ANSWER SECTION:
www.careerone.com.au.   2560    IN      SOA     ns1.tmpw.net. hostmaster.tmpw.net. 1347892090 16384 2048 1048576 2560
www.careerone.com.au.   14400   IN      NS      ns1.tmpw.net.
www.careerone.com.au.   14400   IN      NS      ns2.tmpw.net.
www.careerone.com.au.   14400   IN      NS      ns3.tmpw.net.
www.careerone.com.au.   600     IN      CNAME   www.careerone.com.au.edgesuite.net.

;; ADDITIONAL SECTION:
ns1.tmpw.net.           3600    IN      A       208.71.198.33
ns2.tmpw.net.           3600    IN      A       63.121.30.233
ns3.tmpw.net.           3600    IN      A       208.71.198.34

;; Query time: 81 msec
;; SERVER: 63.121.30.233#53(63.121.30.233)
;; WHEN: Tue Sep 18 08:48:30 2012
;; MSG SIZE  rcvd: 240


I thought a cname record can't coexist with any other records in a zone file. How does this even get loaded this way? What results should the owners of this domain expect? I assume they'll be inconsistent and problematic. Right?

Thanks!




 		 	   		  
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