Classless Reverse Zones PTR Dig Format Issue

Nagesh Thati tcpnagesh at gmail.com
Thu Feb 7 07:23:14 UTC 2019


Hello,
I have created a network with *199.192.0.0/11 <http://199.192.0.0/11>* and
created 4 subnets with */13* mask in that network,
Network: *199.192.0.0/11 <http://199.192.0.0/11> : 192.199.in-addr.arpa*,
Subnet1: *199.192.0.0/13 <http://199.192.0.0/13> :
0-13.192.199.in-addr.arpa*,
Subnet2: *199.200.0.0/13 <http://199.200.0.0/13> :
0-13.200.199.in-addr.arpa*,
Subnet3: *199.208.0.0/13 <http://199.208.0.0/13> :
0-13.208.199.in-addr.arpa*,
Subnet4: *199.216.0.0/13 <http://199.216.0.0/13> :
0-13.216.199.in-addr.arpa*.
I fallowed the *RFC 2317 to create CNAME and NS records* in parent zone
which is 192.199.in-addr.arpa
When I dig for a PTR for object *199.192.0.2* in below dig format,
#*dig @localhost -x 199.192.0.2 - GOT RESULT*
I am getting the answer, But, when I dig for object *199.200.255.202* in
below format not getting the answer,
#*dig @localhost -x 199.200.255.202 - NO RESULT*
But if I dig in specific format,
#*dig @localhost 202.255.0-13.200.199.in-addr.arpa PTR - GOT RESULT*

My Question is,
Can it be possible to *dig 199.200.255.202* object with *-x* using a *dig
command*, if yes, what changes needs to be done in the parent and child
reverse zones?

Thanks in advance,
Nagesh.
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