Re: DNS and subdomains

[David Conrad via NANOG <nanog () nanog org>]

Bill,

On Feb 28, 2025, at 12:18 PM, William Herrin <bill () herrin us> wrote:
> Remember my example cat.p.dirtside.com? P.dirtside.com is a subdomain
> of dirtside.com. It's an administrative grouping of domain names that
> have a particular characteristic. However, p.dirtside.com is NOT a
> domain name. It has no DNS records of its own. Only subsidiaries like
> cat.p.dirtside.com exist and have DNS records.

Hmm.

I would definitely have said “p.dirtside.com" is a subdomain.

Can you point to where it says a subdomain is required to have DNS records?

Thanks,
-drc

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