I have not used dynamic DNS in a very, very long time. I think the last time was back at the end of the 90’s or the beginning 00’s. Most (if not all) of the services I used at the time do not exist anymore. I happily noticed that my DNS and domain provider offers a DynDNS service. My new EdgeRouter 4 has a built-in DynDNS client, supporting multiple protocols.
$ ssh [email protected]
Welcome to EdgeOS
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[email protected]'s password:
Linux er4 4.9.79-UBNT #1 SMP Wed Jun 5 15:53:11 UTC 2019 mips64
jfriedrich@er4:~$ configure
jfriedrich@er4# set service dns dynamic interface eth0 service dyndns host-name dyndnshostname.domain.tld
jfriedrich@er4# set service dns dynamic interface eth0 service dyndns login MyUserName
set service dns dynamic interface eth0 service dyndns password P4ssw0rd
jfriedrich@er4# set service dns dynamic interface eth0 service dyndns protocol dyndns2
jfriedrich@er4# set service dns dynamic interface eth0 service dyndns server dyndns.inwx.com
jfriedrich@er4# commit
jfriedrich@er4# save
Saving configuration to '/config/config.boot'...
Done
jfriedrich@er4# exit
exit
Easy Peasy Lemon Squeezy!