快速批量测试dns服务器是否可用

测试程序

#!/bin/bash

#author: yifangyou

#create time:2011-05-18

if [ -z "$1" ]

then

echo "sh dig_all.sh ";

exit;

fi



#ready to test dns ip

dns_hosts=("202.106.0.20" "202.106.196.115")



#dig domain

domain=$1



for((i=0;i<${#dns_hosts[@]};i++))

do

dns_host=${dns_hosts[$i]};

result=`dig +short @$dns_host $domain`

if [ "$?" = "0" ]

then

echo "dig +short @$dns_host $domain success [$result]"

else

echo "dig +short @$dns_host $domain fail"

fi

done

执行结果：

[root@localhost scp]# sh dig_all.sh

dig +short 202.106.0.20  success [

61.135.169.105

61.135.169.125]

dig +short 202.106.196.115  success [

61.135.169.105

61.135.169.125]

end