record PTR

[Marco Moock]

Am 14.03.2024 schrieb sami.rahal at sofrecom.com:

> Hello, please, I want to know if I need to delegate a range of IP
> addresses to my authoritative DNS server with my registrar before
> creating a PTR record or not. In other words, if I want to create a
> PTR record on my authoritative server (ns1.mydomain.com) for
> mail.mydomain.com pointing to 41.226.22.50, should the range
> 41.226.22.0/24 be delegated to my authoritative DNS server
> ns1.mydomain.com?

The reverse zone for your net/IP needs to be delegated, nothing more.
That needs to be done by your ISP because not by your domain registrar.

If you only want to set some PTRs in your address range, the range will
be delegated and you only set the PTRs you need.