해결이 되지 않앗습니다.

아래에 나열된 설정 파일입니다.
/etc/named.conf 
/var/named/uni.zone 
/var/named/uni.rev 

nslookup로 테스트 할경우, ns.uni-bird.com은 해석이 안되고，ip
61.135.144.7 은 해석이 됩니다.
원인을 좀 분석해 주십시요;;
감사합니다..



shell>more /etc/named.conf 

options { 
version "unknown"; 
directory "/var/named"; 
// allow-transfer { 210.96.230.250; }; 
// query-source address * port 53; 
}; 
controls { 
inet 127.0.0.1 port 953 allow { localhost; } keys { "uni-key"; }; 
}; 
key "uni-key" { 
algorithm hmac-md5; 
secret "RAkrYBa3m9GTzBc24OV8zA=="; 
}; 
logging { 
category lame-servers { null; }; 
category unmatched { null; }; 
category network { null; }; 
category notify { null; }; 
}; 
// 
// a caching only nameserver config 
// 
zone "." IN { 
type hint; 
file "named.ca"; 
}; 
zone "uni-bird.com" IN { 
type master; 
file "uni.zone"; 
allow-update { none; }; 
}; 
zone "144.135.61.in-addr.arpa" IN { 
type master; 
file "uni.rev"; 
allow-update { none; }; 
}; 
zone "localhost" IN { 
type master; 
file "localhost.zone"; 
allow-update { none; }; 
}; 
zone "0.0.127.in-addr.arpa" IN { 
type master; 
file "localhost.rev"; 
allow-update { none; }; 
}; 


shell> more /var/named/uni.zone 
;made by czhan at uni-bird.com 
$TTL 86400 
$ORIGIN uni-bird.com. 
; 
@ IN SOA ns.uni-bird.com. root.uni-bird.com. ( 
20040126 ; serial 
21600 ; refresh 
900 ; retry 
604800 ; expire 
86400 ; default_ttl 
) 
; name server 
IN NS ns.uni-bird.com. 
IN MX 10 uni-bird.com. 
@ IN A 61.135.144.7 
; 
; Host name & Informations 
ns IN A 61.135.144.7 
; 
; VirtualHost 
webadmin IN A 61.135.144.7 
www IN A 61.135.144.7 
; 
; Alias 
mail IN CNAME ns 
ftp IN CNAME ns 
pop3 IN CNAME ns 



shell> more /var/named/uni.rev 
$TTL 86400 
; 
@ IN SOA ns.uni-bird.com. root.uni-bird.com. ( 
20000407 ; serial 
21600 ; refresh 
900 ; retry 
604800 ; expire 
86400 ; default_ttl 
) 
; Name Server 
; 
IN NS ns.uni-bird.com. 
; in.addr-arpa 
7 IN PTR uni-bird.com. 


[root@web bin]# nslookup 
Note: nslookup is deprecated and may be removed from future releases. 
Consider using the `dig' or `host' programs instead. Run nslookup with 
the `-sil[ent]' option to prevent this message from appearing. 
> ns.uni-bird.com 
Server: 61.135.144.7 
Address: 61.135.144.7#53 

** server can't find ns.uni-bird.com: SERVFAIL 
> 61.135.144.7 
Server: 61.135.144.7 
Address: 61.135.144.7#53 

7.144.135.61.in-addr.arpa name = uni-bird.com. 
>