:local dmeuser "user@email.com"
:local ddnsid "1234567"
:local ddnspassword "recordpassword"

# Name of the public/external interface

:local inetinterface "ether1-gateway"
:global oldIP;

:if ([/interface get $inetinterface value-name=running]) do={
:local currentIP [/ip address get [find interface="$inetinterface" disabled=no] address];

# Strip the net mask off the IP address
    :for i from=( [:len $currentIP] - 1) to=0 do={
        :if ( [:pick $currentIP $i] = "/") do={
            :set currentIP [:pick $currentIP 0 $i]
        }
    }

    :if ($currentIP != $oldIP) do={
         :set oldIP $currentIP
         :local url "http://www.dnsmadeeasy.com/servlet/updateip\3F&username=$dmeuser&password=$ddnspassword&id=$ddnsid&ip=$currentIP"
         /tool fetch url=($url) mode=http dst-path=("dmeupdate-" . $ddnsid . ".txt")
         :log info "DNSMadeEasy: Record $ddnsid updated to $currentIP"
    }
} else={
    :log info "DNSMadeEasy: $inetinterface is not currently running."
}