[Samba] DNS /16 reverse zone issues with children and octets

Rowland penny rpenny at samba.org
Tue Nov 3 11:49:32 UTC 2020


On 03/11/2020 10:24, Paul Littlefield via samba wrote:
>
> $ samba-tool dns query dc3 130.130.in-addr.arpa @ ALL
>
>   Name=, Records=3, Children=0
>     SOA: serial=32, refresh=900, retry=600, expire=86400, minttl=3600, 
> ns=dc3.mydomain.com., email=hostmaster.mydomain.com. (flags=600000f0, 
> serial=32, ttl=3600)
>     NS: dc3.mydomain.com. (flags=600000f0, serial=1, ttl=3600)
>     NS: dc4.mydomain.com. (flags=600000f0, serial=2, ttl=900)
>   Name=0, Records=0, Children=15
>
> How do I see the 'Children=15' entries using the samba-tool on the 
> command line?
I am not sure you can with the Samba tools, I think you will need to 
query each record individually.
>
> When this /16 reverse zone is viewed in the Windows DNS Manager GUI an 
> extra octet appears in the IP address range and 3 question marks 
> appear in a dialog box.
>
> Name               Type             Data
> 130.130.0.0.218    Pointer (PTR)    dc3.mydomain.com
>
> Fully qualified domain name (FQDN):
> ???.in-addr.arpa

That is strange, first thought is that it is possibly a Windows bug, if 
anything Windows should refuse to show any IPv4 address with more than 4 
octets. Have you tried checking the records in AD with ldbsearch ?

Rowland






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