*.in-adr.arpa in nslookup

[Len Conrad]

Use dig, here´s what I get (a negative answer):

# dig -x 137.189.169.108

; <<>> DiG 8.3 <<>> -x
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 4
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUERY SECTION:
;;      108.169.189.137.in-addr.arpa, type = ANY, class = IN

;; AUTHORITY SECTION:
169.189.137.in-addr.arpa.  2h59m58s IN SOA  sun3.geo.cuhk.edu.hk. 
root.sun3.geo.cuhk.edu.hk. (
                                         9510313         ; serial
                                         6H              ; refresh
                                         1H              ; retry
                                         5w6d16h         ; expiry
                                         1W )            ; minimum

Len

---------------------------

>I have setup DNS server on Solaris 8. When I use nslookup, it give me:
>Default Server:  e220r.169.189.137.in-addr.arpa
>Address:  137.189.169.108.
>Why it show e220r.169.189.137 instead of "grm.cuhk.edu.hk" ?

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