bind9 configuraçao centos5

ola pessoal do imasters

estou com um probleminha... pra falar a verdade um problemao rsrs estou a ponto de arrancar meu cabelo

eh sobre bind nao estou conseguindo fazer a configuraçao (sou iniciante na area de linux)

alguem poderia me dar uma mao??

koloxo.named.conf:

zone "obzmhost.com" { type master; file "/var/named/obzmhost.com.zone";};

Named.conf:

//Koloxo

include "/etc/koloxo.named.conf";

// REVERSO
include "/etc/reversos.named.conf";

reversos.named.conf:

zone "1.168.192.in-addr.arpa.in-addr.arpa" {

 type master; file "/var/named/1.168.192.in-addr.arpa";
};

1.168.192.in-addr.arpa:

$TTL 86400
@ IN SOA ns1.obzmhost.com. ns2.obzmhost.com. (
2012080401 ; Serial
10800 ; Refresh
3600 ; Retry
604800 ; Expire
86400 ) ; Minimum
@ IN NS ns1.obzmhost.com.
@ IN NS ns2.obzmhost.com.

5 IN PTR meureverso.obzmhost.com. #<<aqui nao sei o que fazer nao sei o que botar
6 IN PTR mail.obzmhost.com.

obzmhost.com.zone:

$TTL 86000

@ IN SOA ns2.obzmhost.com. admin.obzmhost.com. (
2013010801 ; Serial
10800 ; Refresh
3600 ; Retry
604800 ; Expire
86400 ) ; Minimum
obzmhost.com. IN NS ns1.obzmhost.com.
obzmhost.com. IN NS ns2.obzmhost.com.
cp.obzmhost.com. IN A 189.47.173.12
obzmhost.com. IN A 189.47.173.12
ns.obzmhost.com. IN A 189.47.173.12
ns1.obzmhost.com. IN A 189.47.173.12
ns2.obzmhost.com. IN A 189.47.173.12
mail.obzmhost.com. IN A 189.47.173.12
www.obzmhost.com. IN A 189.47.173.12
ftp.obzmhost.com. IN A 189.47.173.12
webmail.obzmhost.com. IN A 189.47.173.12
lists.obzmhost.com. IN A 189.47.173.12
obzmhost.com. IN MX 10 mail.obzmhost.com.
_domainkey.obzmhost.com. IN TXT "t=y; o=-; r=postmaster@obzmhost.com"
private._domainkey.obzmhost.com. IN TXT "k=rsa; p=MEwwDQYJKoZIhvcNAQEBBQADOwAwOAIxAMXEzLeRHEN9vAC2mYPUvMqPpT7Lmvw5ANcuTVXQxxdNCT5fyn+6WtUg2D4BrNCLSODJBU76dSD"

ping -c 3 ns1.obzmhost.com
ping: unknown host ns1.obzmhost.com
estou conectando direto no modem sem um router estou discando o link pelo pc ppp0