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我做了一个缓存服务器,解析域名正常。但客户端做NSLOOKUP 的时候总是显示:服务器: UnKnown
C:\Users\admin>nslookup www.sina.com.cn
服务器: UnKnown
Address: 222.34.173.57
非权威应答:
名称: jupiter.sina.com.cn
Address: 202.108.33.32
Aliases: www.sina.com.cn
我也做了我地址的反向解析。都不好用。求各位大侠给个帮助。如何去除服务器: UnKnown
我的named.conf:
[root@jlctt etc]# vi named.conf
options {
allow-query { any; };
allow-query-cache { any; };
allow-transfer { none; };
forward only;
forwarders {
x.x.x.x;
x.x.x.x;
};
directory "/var/named";
dump-file "/var/named/data/cache_dump.db";
statistics-file "/var/named/data/named_stats.txt";
/*
* If there is a firewall between you and nameservers you want
* to talk to, you might need to uncomment the query-source
* directive below. Previous versions of BIND always asked
* questions using port 53, but BIND 8.1 uses an unprivileged
* port by default.
*/
// query-source address * port 53;
};
zone "." IN {
type hint;
file "named.root";
};
zone "localdomain." IN {
type master;
file "localdomain.zone";
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 "named.local";
allow-update { none; };
};
zone "173.34.222.in-addr.arpa." IN {
type master;
file "173.34.222.in-addr.arpa.zone";
allow-update { none; };
};
zone "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa." IN {
type master;
file "named.ip6.local";
allow-update { none; };
};
zone "255.in-addr.arpa." IN {
type master;
file "named.broadcast";
allow-update { none; };
};
zone "0.in-addr.arpa." IN {
type master;
file "named.zero";
allow-update { none; };
};
我的173.34.222.in-addr.arpa.zone 文件内容
[root@jlctt named]# cat 173.34.222.in-addr.arpa.zone
$TTL 86400
@ IN SOA xx.com. root.localhost (
10 ; serial
28800 ; refresh
7200 ; retry
604800 ; expire
86400 ; ttk
)
@ IN NS xx.com.
56 IN PTR dns.Jlctt.com.
[root@jlctt named]# |
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