can resolve by name but cannot rsolve by ip address

[Brian O'Gorman]

I'm unable to resolve machine on my network by IP address. Attached is 
my named.conf. Could anyone help or offer suggestions?
The following is an nslookup session (dig  returns the same information)
<40>-> nslookup oregonia.afsc.noaa.gov
Server:  lithodes.afsc.noaa.gov
Address:  161.55.98.36

Non-authoritative answer:
Name:    oregonia.afsc.noaa.gov
Address:  161.55.98.216

<41>-> nslookup 161.55.98.216
Server:  lithodes.afsc.noaa.gov
Address:  161.55.98.36

*** lithodes.afsc.noaa.gov can't find 161.55.98.216: Non-existent 
host/domain



-- 


Brian O'Gorman
Information Technology Specialist
NOAA Fisheries 
Alaska Fisheries Science Center
RACE Shellfish
301 Research Court
Kodiak, Alaska 99615
telephone (907) 481-1716
FAX       (907) 481-1764
Pager     (907) 486-6647
e-mail brian.o'gorman at noaa.gov



-- Attached file included as plaintext by Ecartis --
-- File: named.conf

//
// BIND configuration file.
//
options {
	directory           "/var/named" ;
	pid-file            "named.pid"  ;
	allow-query { any ; } ;
	forwarders { 161.55.98.102 ; 161.55.80.4   ; 161.55.32.3   ; 
		     161.55.184.75 ; 161.55.184.74 ;   } ;
        listen-on-v6 { any ; } ;
	dump-file "named_dump.db" ;
	statistics-file "named.stats" ;
	transfer-format many-answers ;
	};
 
zone "." in {
	type hint ;
	file "named.ca" ;
	};
 
zone "0.0.127.in-addr.arpa" in {
     type master ;
     file "named.local" ;
     notify no ;
	};
zone	"kfrc.noaa.gov"	 {
  	type slave  ;
    	file "kfrc.noaa.gov.db";
  	masters { 161.55.98.102 ;} ;
    		} ;
zone	"98.55.161.in-addr.arpa" {
    	type slave  ;
      	file "db.161.55.98" ;
  	masters { 161.55.98.102 ;  161.55.80.4 ; } ;
      	} ;