快速批量测试dns服务器是否可用

测试程序实现快速批量测试DNS服务是否可用

 

#!/bin/bash
#author: yifangyou
#create time:2011-05-18
if [ -z "$1" ]
then
echo "sh dig_all.sh www.a.com";
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 www.baidu.com
dig +short 202.106.0.20 www.baidu.com success [www.a.shifen.com.
61.135.169.105
61.135.169.125]
dig +short 202.106.196.115 www.baidu.com success [www.a.shifen.com.
61.135.169.105
61.135.169.125]

end