Special-Use Domain 'home.arpa.'

[techlists at phpcoderusa.com]

Thanks Bob,

Ok, Lets say I register MyDomain.TLD.

I have 4 or 5 nodes on my local net on 192.168.99.x

1) My Linux desktop is on 192.168.99.5 and its FQDN is 
Desktop.MyDomain.TLD.
2) My Proxmox server is on 192.168.99.10 and its FQDN is 
PVE.MyDomain.TLD.
3) I have a virtual machine on 192.168.99.20 and its FQDN is 
Ubuntu-Lamp.MyDomain.TLD.

And I go over to DigitalOcean and Setup a website for MyDomain.TLD.

DigitalOcean provides DNS and it is configured and my website is 
accessible globally via the Internet.

Now I configure a DNS server on my Desktop which is on a private IP.  
Lets say I use BIND for my local net only.

Then I decide to add a public website running on an old laptop I own.  
Lets say I register the domain MyTestSite.TLD

It is Ubuntu LAMP + BIND.  It is on a private IP and I use NAT to port 
forward for ports 80/445/53...etc.

I know this sounds like a silly question, however understand I am a 
programmer not a system admin.

On it's face It looks like it will work.

Any thoughts?

Thanks!!
Keith


On 2022-11-23 09:58, Bob Elzer via PLUG-discuss wrote:
> If you're going to use the host file then you'll have to copy it to
> every machine you have every time you update it.
> As far as the domain name goes, you can use anything you want, .com
> .gov .myown The only problem you'll have is if it is already being
> used which would cause a conflict.
> As long as it's an internal network you can call it anything you want.
> 
> I'm not sure what you mean by non- routable domain, you set up the
> routing so that's what determines if a network is routable or not
> Using an internal IP 10. 192.168. is what prevents people on the
> outside from getting in.
> 
> Setting up the DNS is not that hard and then just pointing your DHCP
> server to it simplifies the whole thing.
> 
> On Wed, Nov 23, 2022, 9:26 AM Keith Smith via PLUG-discuss
> <plug-discuss at lists.phxlinux.org> wrote:
> 
>> Hi,
>> 
>> As you know I am building a "home office" lab for PHP development
>> and
>> testing.  I was not satisfied with the research I completed on
>> "non-routeable" domains for a private network made up of
>> "non-routeable"
>> domains.
>> 
>> In the distant past I used to use .dev for the TLD.  From what I am
>> reading this is not a good idea.
>> 
>> According to https://www.rfc-editor.org/rfc/rfc8375.html one should
>> use
>> "home.arpa.".  They add a period to the end which I assume is the
>> DNS
>> domain name stop character when used in zone files.  Any thoughts?
>> 
>> I will not be using DNS.  My needs are so simple I will be adding
>> the IP
>> and domain name in my host file, at least for now.
>> 
>> I've read a lot about this subject.  Some say to use a registered
>> domain
>> with a subdomain that is on a private IP. I really do not want to
>> commingle public and private assets on the same domain.
>> 
>> Any feedback is much appreciated!!
>> 
>> Thanks!!
>> Keith
>> 
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