##使用时请把"www.google.com"改为自己要解析的域名
##适用于做某些需要域名做为判断标准的策略，本脚本可以把域名转换为IP地址
:local host www.google.com
:local tmpip [:resolve $host]
:if ([/ip firewall address-list find list=$host address=$tmpip]="") do={
/ip firewall address-list add list=$host address=$tmpip
:log info message=("add new ip: " . $tmpip . " to name : " . $host)
}