It's clear, thank you.

De : Ben Croswell <ben.crosw...@gmail.com>
Envoyé : jeudi 14 mars 2024 13:26
À : RAHAL Sami SOFRECOM <sami.ra...@sofrecom.com>; ML BIND Users 
<bind-users@lists.isc.org>
Objet : Re: record PTR

181.242.197.in-addr.arpa. 3600 IN NS 
douala0.orange.cm<http://douala0.orange.cm>.
181.242.197.in-addr.arpa. 3600 IN NS nsbangui.orangerca.com.
181.242.197.in-addr.arpa. 3600 IN NS 
yaounde0.orange.cm<http://yaounde0.orange.cm>.

The in-addr currently points to the DNS servers above. Those would need to be 
changed to your servers or the owners of those servers would need to add the 
PTR records.

On Thu, Mar 14, 2024, 8:19 AM 
<sami.ra...@sofrecom.com<mailto:sami.ra...@sofrecom.com>> wrote:
Thank you for your response.
In my case, I have added a PTR record for mail.sami.tn<http://mail.sami.tn> 
pointing to 197.242.181.69, but it is still not visible from the outside. 
However, when I test 'dig @0 -x 197.242.181.69', it works. Do I need to request 
a delegation of 197.242.181.69 to the name servers 
ns1.sami.tn<http://ns1.sami.tn>?

De : Ben Croswell <ben.crosw...@gmail.com<mailto:ben.crosw...@gmail.com>>
Envoyé : jeudi 14 mars 2024 13:10
À : RAHAL Sami SOFRECOM 
<sami.ra...@sofrecom.com<mailto:sami.ra...@sofrecom.com>>; ML BIND Users 
<bind-users@lists.isc.org<mailto:bind-users@lists.isc.org>>
Objet : Re: record PTR

The in-addr.arpa domain for your IP space will need to be delegated to your DNS 
servers. That generally happens at the entity that assigned the block. For 
instance ARIN, RIPE, or APNIC.

On Thu, Mar 14, 2024, 8:06 AM 
<sami.ra...@sofrecom.com<mailto:sami.ra...@sofrecom.com>> wrote:
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<http://ns1.mydomain.com>) for 
mail.mydomain.com<http://mail.mydomain.com> pointing to 41.226.22.50, should 
the range 41.226.22.0/24<http://41.226.22.0/24> be delegated to my 
authoritative DNS server ns1.mydomain.com<http://ns1.mydomain.com>?
Regards Sami
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