DDNS on Sub Domain Only DDNS on Sub Domain Only

Topic: DDNS on Sub Domain Only

Post DDNS on Sub Domain Only
by SkilledAlpaca on Wednesday, October 28, 2020

Hello forum people and helpers!

I'm struggling quite a bit here on how to setup DDNS on a sub domain only. I work as IT Engineer but Networking has never been my strong suite and I'm currently transitioning into a Project Management role away from IT Systems Support, so please bear with me.

Anyway onto my issue. I'll be using
google.com
as an example here. Say I own
google.com
and I want it to point to main service or off site host, a search engine at IP
5.5.5.5
. Then say I'm personally hosting
email.google.com
at home with an IP of
70.70.70.70
. I want allow people to connect to my storage site on a different port at
storage.google.com
that would be pointing to
70.70.70.70:49000
.

My current Registar doesn't allow me to point custom Name Servers to sub domains so that option doesn't work for me unfortunately. The current Name Servers I have set are
ns1.dynu.com
through
ns12.dynu.com
though.

I have setup two DDNS services on Dynu, one for each domain (
google.com
and
email.google.com
), pointing at the IP's I need them to resolve too. I have then setup a SRV record on
google.com
as follows:

Node Name: storage
Type: SRV
Port: 49000
Target: email.google.com

When I run a MXToolbox SRV lookup for
storage.google.com
I get "DNS Record not found" from ns#.dynu.com and then running a DNS check on the same site, it pulls the IP of
google.com @ 5.5.5.5
. Did I configure something incorrect here or am I just not understanding how the routing is working.

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Friday, June 25, 2021 6:10 AM
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