dig's answers

[Mark Andrews]

> Hi,
> 
> dig gives me an answer that doesn't feel consistent to me.  Perhaps I 
> don't know precisely
> what it's defined to do.  At the bottom of this message is all the 
> output for this command:
> dig +trace ns1.plhhosting.com
> 
> What bothers me is there was no error message in this case, whereas the 
> following
> commands all finished up with a specific error message:
> dig +trace plhhosting.com
> dig +trace some-random-name.plhhosting.com
> dig +trace onintelligence.org
> 
> The message is:
> dig: Couldn't find server 'ns1.plhhosting.com': No address associated 
> with nodename.


; <<>> DiG 8.3 <<>> ns1.plhhosting.com @69.93.59.34 
; (1 server found)
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 63103
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUERY SECTION:
;;	ns1.plhhosting.com, type = A, class = IN

;; AUTHORITY SECTION:
plhhosting.com.		4H IN SOA	ns15.websitewelcome.com. root.corvette.websitewelcome.com. (
					2004072601	; serial
					8H		; refresh
					2H		; retry
					5w6d16h		; expiry
					1D )		; minimum


;; Total query time: 221 msec
;; FROM: drugs.dv.isc.org to SERVER: 69.93.59.34
;; WHEN: Thu Feb 16 14:07:37 2006
;; MSG SIZE  sent: 36  rcvd: 106

	plhhosting.com has a broken delegation.
	onintelligence.org has a broken delegation.
 
> Nonrecursive queries to g.gtld-servers.net show that it does provide 
> the glue.
> It seems like dig +trace is being more stringent regarding looking up
> ns1.plhhosting.com as a nameserver than as the answer to my direct 
> query.
> 
> John Wobus
> Cornell CIT
> 
> 
> 
> 
> $ dig +trace ns1.plhhosting.com
> 
> ; <<>> DiG 9.2.2 <<>> +trace ns1.plhhosting.com
> ;; global options:  printcmd
> .                       378229  IN      NS      J.ROOT-SERVERS.NET.
> .                       378229  IN      NS      K.ROOT-SERVERS.NET.
> .                       378229  IN      NS      L.ROOT-SERVERS.NET.
> .                       378229  IN      NS      M.ROOT-SERVERS.NET.
> .                       378229  IN      NS      A.ROOT-SERVERS.NET.
> .                       378229  IN      NS      B.ROOT-SERVERS.NET.
> .                       378229  IN      NS      C.ROOT-SERVERS.NET.
> .                       378229  IN      NS      D.ROOT-SERVERS.NET.
> .                       378229  IN      NS      E.ROOT-SERVERS.NET.
> .                       378229  IN      NS      F.ROOT-SERVERS.NET.
> .                       378229  IN      NS      G.ROOT-SERVERS.NET.
> .                       378229  IN      NS      H.ROOT-SERVERS.NET.
> .                       378229  IN      NS      I.ROOT-SERVERS.NET.
> ;; Received 436 bytes from 132.236.56.250#53(132.236.56.250) in 22 ms
> 
> com.                    172800  IN      NS      A.GTLD-SERVERS.NET.
> com.                    172800  IN      NS      G.GTLD-SERVERS.NET.
> com.                    172800  IN      NS      H.GTLD-SERVERS.NET.
> com.                    172800  IN      NS      C.GTLD-SERVERS.NET.
> com.                    172800  IN      NS      I.GTLD-SERVERS.NET.
> com.                    172800  IN      NS      B.GTLD-SERVERS.NET.
> com.                    172800  IN      NS      D.GTLD-SERVERS.NET.
> com.                    172800  IN      NS      L.GTLD-SERVERS.NET.
> com.                    172800  IN      NS      F.GTLD-SERVERS.NET.
> com.                    172800  IN      NS      J.GTLD-SERVERS.NET.
> com.                    172800  IN      NS      K.GTLD-SERVERS.NET.
> com.                    172800  IN      NS      E.GTLD-SERVERS.NET.
> com.                    172800  IN      NS      M.GTLD-SERVERS.NET.
> ;; Received 508 bytes from 192.58.128.30#53(J.ROOT-SERVERS.NET) in 148 
> ms
> 
> ns1.plhhosting.com.     172800  IN      A       69.93.59.34
> plhhosting.com.         172800  IN      NS      ns1.plhhosting.com.
> plhhosting.com.         172800  IN      NS      ns2.plhhosting.com.
> ;; Received 116 bytes from 192.42.93.30#53(G.GTLD-SERVERS.NET) in 95 ms
> 
> 
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org