突发奇想写的奇怪脚本（扫描设置dnspod ns却未注册的域名）

创意源自：[link href="WooYun: DNSPod域名无验证所有权限(可导致域名被恶意接管使用)"]DNSPod域名无验证所有权限(可导致域名被恶意接管使用)[/link] 

#!/bin/bash 
# 
# Downlaod domain list at: http://www.dailychanges.com/dnspod.net/ 
# 

DAILYCHALES_DOMAINLIST_CSV="./domain.csv" 
DOMAIN_LIST="./domain.lst" 
DOMAIN_SAVE="./save.lst" 
DEFAULT_NS="F1G1NS1.DNSPOD.NET" 

WARN="\033[1;33m" 
ERR="\033[0;31m" 
SUCCESS="\033[1;32m" 
RST="\033[0m" 

function checkDomainCofniguredByWhois { 
        echo -n "checkDomainCofniguredByWhois: checking $1..." 
        NS=$(whois $1 | grep "Name Server" | awk -F":" '{print $2}' | head -n1) 
        [[ -z $NS ]] && echo " $WARN whois error$RST" && return 1 
        [[ ! -z $(nslookup $1 $NS | grep -E "NXDOMAIN|SERVFAIL|timed") ]] && echo -e "$SUCCESS unconfiged$RST" && echo "$1" >> $DOMAIN_SAVE || echo -e "$ERR configed$RST" 
} 

function checkDomainCofniguredByNS { 
        echo -n "checkDomainCofniguredByNS: checking $1 in $2..." 
        [[ ! -z $(nslookup $1 $DEFAULT_NS | grep -E "NXDOMAIN|SERVFAIL|timed") ]] && echo -e "$SUCCESS unconfiged$RST" && echo "$1" >> $DOMAIN_SAVE || echo -e "$ERR configed$RST" 
} 


function checkDomainList { 
        echo "checkDomainList: start check process" 
        for domain in $(cat $DOMAIN_LIST) 
        do 
                checkDomainCofniguredByNS $domain $DEFAULT_NS 
        done 
} 

function processDomainList { 
        echo "processDomainList: processing $DAILYCHALES_DOMAINLIST_CSV" 
        cat $DAILYCHALES_DOMAINLIST_CSV | grep ,new, | sed -e "s/,new,//g" > $DOMAIN_LIST 
        dos2unix $DOMAIN_LIST 
} 

processDomainList 
checkDomainList