Hey! Listen! This post is part of a series on the Ubiquiti EdgeRouter Lite. Check them all out!

Date URL Part
2019-06-28 Migrating away from the Ubiquiti EdgeRouter Lite Migrated to a Netgate SG-1100
2019-02-03 EdgeRouter CNAME records Setup CNAME records
2017-10-03 Dyn DDNS on EdgeRouter Setup DynDNS
2017-04-25 DuckDNS on EdgeRouter Setup DuckDNS
2017-01-08 Ubiquiti EdgeRouter serial console settings Serial console settings
2016-11-29 Ubiquiti UniFi controller setup on Raspberry Pi 3 Install UniFi Controller
2016-08-30 EdgeRouter Lite Dnsmasq setup Setup dnsmasq
2016-06-13 EdgeRouter Lite software upgrade Firmware upgrade
2016-05-12 EdgeRouter Lite OpenVPN setup OpenVPN server setup
2016-04-29 Ubiquiti EdgeRouter Lite setup Initial setup

Introduction

In the past, I’ve posted about my DuckDNS dynamic DNS settings, and mentioned I use Dyn as well. My Dyn setup is documented below.

I should mention, however, that Dyn no longer offers free dynamic DNS (it was discontinued in 2014). They now charge $40/year for 30 hostnames.

Dyn setup

Web setup

Head over to the Dyn website and setup an account. Create a new hostname, choosing the TLD from the available options. For this setup, just click Your current location’s IP address to continue through to this process.

Go to your Account Settings page and make note of the Updater Client Key. If you don’t have one, generate one.

Router setup

EdgeOS only supports a handful of pre-configured DNS service providers by default (shown below).

ubnt@erl# set service dns dynamic interface eth0 service
afraid       dslreports   easydns      noip         zoneedit
dnspark      dyndns       namecheap    sitelutions

Luckily, Dyn is one of the providers.

set service dns dynamic interface eth0 service dyndns
set service dns dynamic interface eth0 service dyndns host-name loganmarchione.dyndns.org
set service dns dynamic interface eth0 service dyndns login username
set service dns dynamic interface eth0 service dyndns password updater-client-key
set service dns dynamic interface eth0 service dyndns protocol dyndns2
set service dns dynamic interface eth0 service dyndns server members.dyndns.org
commit
save
exit

A couple notes on the options:

  • the hostname is the entire domain (e.g., loganmarchione.dyndns.org)
  • the username is your account name
  • the password is your updater client key (that long string of numbers/letters)

Verify setup

Trigger a manual update. EdgeOS will only update the dynamic DNS provider when your IP address actually changes.

update dns dynamic interface eth0

You can show the status with the command below.

show dns dynamic status

Here, you can see the successful update.

interface    : eth0
ip address   : XX.XX.XX.XX
host-name    : loganmarchione.dyndns.org
last update  : Tue Apr 25 22:13:09 2017
update-status: good

SSL settings

Also, just so you know, EdgeOS uses ddclient for the dynamic DNS updates. The configuration file is located at /etc/ddclient.conf, but there is a directory at /etc/ddclient with a configuration file for each interface. By default, ddclient is setup to use SSL, as shown below.

root@erl:~# grep ssl /etc/ddclient/ddclient_eth*.conf
ssl=yes

Hope this helps!

-Logan

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