openstack zone create --email <email address hidden> example.org.
openstack ptr record list <------- nothing shown
openstack floating ip create public
openstack ptr record list <---- one record shown
openstack ptr record set RegionOne:8876c471-bd8e-4d00-bcca-2d7d05b4f165 ftp.example.org.
openstack ptr record list <---- same record with updated ptrdname and ttl
openstack floating ip delete 172.24.4.112
openstack ptr record list <------- nothing shown
ok, I tried below (i.e. without unsetting)
openstack zone create --email <email address hidden> example.org. 8876c471- bd8e-4d00- bcca-2d7d05b4f1 65 ftp.example.org.
openstack ptr record list <------- nothing shown
openstack floating ip create public
openstack ptr record list <---- one record shown
openstack ptr record set RegionOne:
openstack ptr record list <---- same record with updated ptrdname and ttl
openstack floating ip delete 172.24.4.112
openstack ptr record list <------- nothing shown