过滤域名的别名

#!/bin/bash

##

if [ "$1" == "" ]

then

echo "============================================================="

echo "Erro !!! Do it like this:"

echo "sh script domain-list-file               "

echo "============================================================="

exit

fi

##

DATE=`date +%Y%d%m`

##

rm -f /tmp/report*.csv

##

function resolv()

{

domain_src=$1

while read  line_name

do

        con=`/usr/bin/dig @8.8.8.8 $line_name |grep  "CNAME"|awk '$5~/chinacache|ccgslb|lxsvc\.cn|c3cdn\.net|a\.speedupchina\.net|lxsvc\.cn/{print $5}'

 #echo $con >> /tmp/report-$DATE.csv

 if [ ! "$con" == ""  ]

 then

  echo $line_name >> /tmp/report-$DATE.csv

 fi

done < $domain_src

}

##

resolv $1

##

echo "report is /tmp/report-$DATE.csv"