mikrotik-ddns-dyfi-update

Dynamic DNS update script for dy.fi

Based on Dynamic DNS Update Script for No-IP DNS. Tested on RouterOS v6.42.6.

1. Create a new script named dyfi-update

The following permissions are required for this script to run:

• write
• test
• read
  
  

2. Paste the code below as Source

# dy.fi automatic Dynamic DNS update

##############Script Settings##################

:local DYFIUser "dy.fi LOGIN"
:local DYFIPass "dy.fi PASSWORD"
:local DYFIHost "dy.fi HOSTNAME"
:local WANInter "MikroTik Router WAN Interface Name"

###############################################

:local DYFIDomain "$DYFIHost.dy.fi"
:local IpCurrent [/ip address get [find interface=$WANInter] address];
:for i from=( [:len $IpCurrent] - 1) to=0 do={ 
  :if ( [:pick $IpCurrent $i] = "/") do={ 
    :local NewIP [:pick $IpCurrent 0 $i];
    :if ([:resolve $DYFIDomain] != $NewIP) do={
      /tool fetch mode=http user=$DYFIUser password=$DYFIPass url="http://www.dy.fi/nic/update\3Fhostname=$DYFIDomain&myip=$NewIP" keep-result=no
      :log info "dy.fi Update: $DYFIDomain - $NewIP"
     }
   } 
}

Edit the values for DYFIUser, DYFIPass DYFIHost & WANInter to match your configuration e.g.

##############Script Settings##################

:local DYFIUser "testuser1"
:local DYFIPass "testpassword"
:local DYFIHost "testhost"
:local WANInter "ether1"

###############################################

It is recommended to first Run Script and then login to dy.fi site to actually verify that the script works as intended before going further.

3. Add a new scheduler entry to run the script every 5 days

/system scheduler add comment="Update dy.fi DDNS" disabled=no interval="5d 00:00:00" \
name="dy.fi ddns update" on-event=dyfi-update policy=read,write,test