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服务器管理员问题：dns 转发区域问题

tag-icon • tag-icon linux domain-name-system
服务器管理员问题：dns 转发区域问题

这是我的正向区域文件：

[root@m6 named]# cat ourlinuxtutorials.com.db
$TTL 1D 86400
@ IN SOA m6.ourlinuxtutorials.com. root.m6.ourlinuxtutorials.com. (
0 ; serial
1D ; refresh
1H ; retry
1W ; expire
3H ) ; minimum
IN NS m6.ourlinuxtutorials.com.
IN A 127.0.0.1
m6 IN A 192.34.61.117

错误是否由于以下原因造成：

<<< @ IN SOA m6.ourlinuxtutorials.com. root.m6.ourlinuxtutorials.com. (

这m6.ourlinuxtutorials.com是主机名。

因此行：

IN NS m6.ourlinuxtutorials.com.

应该m6.ourlinuxtutorials.com是名称服务器，但事实并非如此。那一定是错误了？

重新启动命名时也会出现错误：

[root@m6 named]# service named restart
Stopping named: [ OK ]
Starting named:
Error in named configuration:
dns_master_load: ourlinuxtutorials.com.db:1: extra input text
zone ourilinuxtutorials.com/IN: loading from master file ourlinuxtutorials.com.db failed: extra input text
zone ourilinuxtutorials.com/IN: not loaded due to errors.
_default/ourilinuxtutorials.com/IN: extra input text
zone 61.34.192.in-addr.arpa/IN: loaded serial 0
zone localhost.localdomain/IN: loaded serial 0
zone localhost/IN: loaded serial 0
zone 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa/IN: loaded serial 0
zone 1.0.0.127.in-addr.arpa/IN: loaded serial 0
zone 0.in-addr.arpa/IN: loaded serial 0
[FAILED]

答案1

我认为这些话：

<<< @ IN SOA m6.ourlinuxtutorials.com. root.m6.ourlinuxtutorials.com. (

应该是这样的：

IN SOA  m6.ourlinuxtutorials.com. root.ourlinuxtutorials.com. (

看看这个示例域主文件。

例子

$TTL    86400 ; 24 hours could have been written as 24h or 1d
$ORIGIN example.com.
@  1D  IN    SOA ns1.example.com.   hostmaster.example.com. (
                  2002022401 ; serial
                  3H ; refresh
                  15 ; retry
                  1w ; expire
                  3h ; minimum
                 )
       IN  NS     ns1.example.com. ; in the domain
       IN  NS     ns2.smokeyjoe.com. ; external to domain
       IN  MX  10 mail.another.com. ; external mail provider
; server host definitions
ns1    IN  A      192.168.0.1  ;name server definition     
www    IN  A      192.168.0.2  ;web server definition
ftp    IN  CNAME  www.example.com.  ;ftp server definition
; non server domain hosts
bill   IN  A      192.168.0.3
fred   IN  A      192.168.0.4

第一行也看起来像是拼写错误：

我认为它应该是$TTL 1D，而不是$TTL 1D 86400。这就是错误所抱怨的内容，第 1 行：

dns_master_load: ourlinuxtutorials.com.db:1: extra input text

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