log info ""

:local ipadd [/ip address get [find interface=pppoe-MODEM1 ] address ]

:local NOIPUser "username"
:local NOIPPass "password"
:local NOIPDomain "yourdomain.myftp.org"

:local IpCurrent ("$ipadd" .\ "/32");
#:log info "$IpCurrent";

:for i from=( [:len $IpCurrent] - 1) to=0 do={ 
  :if ( [:pick $IpCurrent $i] = "/") do={ 
    :local NewIP [:pick $IpCurrent 0 $i];
#:log info "$NewIP";
    :if ([:resolve $NOIPDomain] != $NewIP) do={
      /tool fetch mode=http user=$NOIPUser password=$NOIPPass url="http://dynupdate.no-ip.com/nic/update\3Fhostname=$NOIPDomain&myip=$NewIP" keep-result=no
      :log info "NO-IP Update: $NOIPDomain - $NewIP"
     }
   } 
}
log info ""

"No-IP: Previous IP xxx.xxx.xxx.xxx is equal to current IP, no update needed.

"No-IP: Current IP xxx.xxx.xxx.xxx is not equal to previous IP, update needed."
"No-IP: Sending update for <username>.no-ip.org."