dyndns-client.rsc

#-------------------------------------------------------------------------------
# MikroTik RouterOS DynDNS Update Client
#-------------------------------------------------------------------------------

#-------------------------------------------------------------------------------
# Settings
#-------------------------------------------------------------------------------
:local DYNDNSUSER "user"
:local DYNDNSPASSWORD "password"
:local DYNDNSHOSTNAME "host.dyndns.info"
:local EXTERNALINTERFACE "ether1"

#-------------------------------------------------------------------------------
# Update
#-------------------------------------------------------------------------------
:local currentIp [/ip address get [/ip address find interface=$EXTERNALINTERFACE] address]
:set currentIp [:pick $currentIp 0 [: find $currentIp "/"]]
:local oldIp [:resolve $DYNDNSHOSTNAME]
:if ($currentIp != $oldIp) do={
  :local addr "members.dyndns.org"
  :local srcPath "/nic/update?hostname=$DYNDNSHOSTNAME&myip=$currentIp&wildcard=NOCHG&mx=NOCHG&backmx=NOCHG"
  :local dstPath "dyndns.txt"
  /tool fetch address=$addr src-path=$srcPath mode=https user=$DYNDNSUSER password=$DYNDNSPASSWORD dst-path=$dstPath keep-result=no
  :log info "DynDNS updated: $DYNDNSHOSTNAME $oldIp -> $currentIp"
}