RouterOS changeip脚本实现动态域名解析与更新

#首先进去http://www.changeip.com/ 申请

:do {
:local ether
#DDNS帐号
:local user  "账号"
#DDNS密码
:local pass  "密码"
#DDNS域名
:local host  "动态dns地址"
#以下不需要修改
:local status [/interface pppoe-client get [/interface pppoe-client find name="pppoe-out1"] running];
:if ($status=true) do={
:set ether "pppoe-out1"};
:if ($status=false) do={
:set ether "pppoe-out2"};
:local oldip [:resolve $host]
:delay 5s
:local newip [ /ip address get [/ip address find interface=pppoe-out1 ] address ]
:set newip [:pick $newip 0 [:find $newip "/"]]
:if ($oldip != $newip) do={
/tool dns-update address=$newip    key-name=$user key=$pass name=$host
:log error ("\BE\C9\B5\C4IP\B5\D8\D6\B7\A3\BA: ".$oldip)
:log error ("\D0\C2\B5\C4IP\B5\D8\D6\B7\A3\BA: ".$newip)
:delay 3s
:local Result [/file get $host contents]
:if ([:find $Result "good"] != "nil") do={
:log error ($host." \B8\FC\D0\C2\B3\C9\B9\A6")
} else={
:log error ($host." \B8\FC\D0\C2\CA\A7\B0\DC")}