主DNS和从DNS复制有问题，怎么解决，请高手帮忙

主dns错误消息

[root@server1 3]# tail -25 /var/log/messages
Oct 10 17:59:12 server1 named[2724]: using 1 CPU
Oct 10 17:59:12 server1 named: named startup succeeded
Oct 10 17:59:12 server1 named[2724]: loading configuration from '/etc/named.conf'
Oct 10 17:59:12 server1 named[2724]: listening on IPv4 interface lo, 127.0.0.1#53
Oct 10 17:59:12 server1 named[2724]: listening on IPv4 interface eth0, 192.168.0.177#53
Oct 10 17:59:12 server1 named[2724]: listening on IPv4 interface eth1, 192.168.16.177#53
Oct 10 17:59:12 server1 named[2724]: command channel listening on 127.0.0.1#953
Oct 10 17:59:12 server1 named[2724]: command channel listening on ::1#953
Oct 10 17:59:12 server1 named[2724]: zone 16.168.192.in-addr.arpa/IN: loaded serial 2005090503
Oct 10 17:59:12 server1 named[2724]: zone example.com/IN: loaded serial 2005090503
Oct 10 17:59:12 server1 named[2724]: running
Oct 10 18:01:01 server1 crond(pam_unix)[2734]: session opened for user root by (uid=0)
Oct 10 18:01:01 server1 crond(pam_unix)[2734]: session closed for user root
Oct 10 19:01:01 server1 crond(pam_unix)[2741]: session opened for user root by (uid=0)
Oct 10 19:01:01 server1 crond(pam_unix)[2741]: session closed for user root
Oct 10 19:23:45 server1 named[2724]: client 192.168.16.17#32772: zone transfer 'example.com/IN' denied
Oct 10 19:23:46 server1 named[2724]: client 192.168.16.17#32773: zone transfer '16.168.192.in-addr.arpa/IN' denied
Oct 10 19:24:32 server1 named[2724]: client 192.168.16.17#32774: zone transfer 'example.com/IN' denied
Oct 10 19:24:44 server1 named[2724]: client 192.168.16.17#32775: zone transfer '16.168.192.in-addr.arpa/IN' denied
Oct 10 19:26:06 server1 named[2724]: client 192.168.16.17#32776: zone transfer 'example.com/IN' denied
Oct 10 19:26:34 server1 named[2724]: client 192.168.16.17#32777: zone transfer '16.168.192.in-addr.arpa/IN' denied
Oct 10 19:30:00 server1 named[2724]: client 192.168.16.17#32778: zone transfer 'example.com/IN' denied
Oct 10 19:30:29 server1 named[2724]: client 192.168.16.17#32779: zone transfer '16.168.192.in-addr.arpa/IN' denied
Oct 10 19:37:01 server1 named[2724]: client 192.168.16.17#32780: zone transfer 'example.com/IN' denied
Oct 10 19:37:51 server1 named[2724]: client 192.168.16.17#32781: zone transfer '16.168.192.in-addr.arpa/IN' denied

从dns错误

[root@server1 chapter05]# tail -10 /var/log/messages
Oct 10 19:03:46 server1 named[3689]: lame server resolving 'ns.bta.net.cn' (in 'bta.net.cn'?): 202.106.196.233#53
Oct 10 19:03:46 server1 named[3689]: lame server resolving 'ns2.bta.net.cn' (in 'bta.net.cn'?): 202.106.196.233#53
Oct 10 19:03:58 server1 named[3689]: transfer of 'example.com/IN' from 192.168.16.177#53: failed while receiving responses: REFUSED
Oct 10 19:03:58 server1 named[3689]: transfer of 'example.com/IN' from 192.168.16.177#53: end of transfer
Oct 10 19:04:27 server1 named[3689]: transfer of '16.168.192.in-addr.arpa/IN' from 192.168.16.177#53: failed while receiving responses: REFUSED TAG标签 : 高手 帮忙 解决 问题 复制 怎么 Oct server1 named transfer