[Samba] How to delete an unwanted NS record

[Rowland penny]

On 08/07/2020 08:50, Mani Wieser via samba wrote:
>
> On 07.07.2020 22:14, Mani Wieser via samba wrote:
>>
>> On 07.07.2020 21:14, Rowland penny via samba wrote:
>>> On 07/07/2020 20:00, James B. Byrne via samba wrote:
>>>> I have this on the DC smb4-1.brockley.harte-lyne.ca:
>>>>
>>>> samba-tool dns query localhost brockley.harte-lyne.ca 
>>>> brockley.harte-lyne.ca
>>>> ALL -U administrator
>>>> Password for [BROCKLEY\administrator]:
>>>>    Name=, Records=6, Children=0
>>>>      SOA: serial=7, refresh=900, retry=600, expire=86400, minttl=3600,
>>>> ns=SMB4-1.brockley.harte-lyne.ca., email=support.harte-lyne.ca.
>>>> (flags=600000f0, serial=110, ttl=3600)
>>>>      NS: SMB4-1.brockley.harte-lyne.ca. (flags=600000f0, 
>>>> serial=110, ttl=900)
>>>>      NS: smb4-2.brockley.harte-lyne.ca. (flags=600000f0, 
>>>> serial=110, ttl=900)
>>>>      A: 192.168.18.161 (flags=600000f0, serial=110, ttl=900)
>>>>      A: 192.168.18.162 (flags=600000f0, serial=110, ttl=900)
>>>>      A: 192.168.216.162 (flags=600000f0, serial=110, ttl=900)
>>>>    Name=_msdcs, Records=0, Children=0
>>>>    Name=_sites, Records=0, Children=1
>>>>    Name=_tcp, Records=0, Children=4
>>>>    Name=_udp, Records=0, Children=2
>>>>    Name=DomainDnsZones, Records=0, Children=2
>>>>    Name=ForestDnsZones, Records=0, Children=2
>>>>    Name=smb4-1, Records=1, Children=0
>>>>      A: 192.168.18.161 (flags=f0, serial=110, ttl=900)
>>>>    Name=SMB4-2, Records=2, Children=0
>>>>      A: 192.168.18.162 (flags=f0, serial=110, ttl=900)
>>>>      A: 192.168.216.162 (flags=f0, serial=110, ttl=900)
>>>>
>>>> 192.168.216.162 is an aliased IP on 192.168.18.162 which points to
>>>> smb4-2.internal.harte-lyne.ca.
>>>>
>>>> host -t A smb4-2.internal.harte-lyne.ca
>>>> smb4-2.internal.harte-lyne.ca has address 192.168.216.162
>>>>
>>>> host -t PTR 192.168.216.162
>>>> 162.216.168.192.in-addr.arpa domain name pointer 
>>>> smb4-2.internal.harte-lyne.ca.
>>>>
>>>> I can get rid of the A record, at least temporarily, with:
>>>>
>>>> samba-tool dns delete localhost brockley.harte-lyne.ca smb4-2 A 
>>>> 192.168.216.162
>>>> -U administrator
>>>> Password for [BROCKLEY\administrator]:
>>>> Record deleted successfully
>>>>
>>>>
>>>> How do I get rid of the 192.168.216.162 NS record while leaving 
>>>> 192.168.18.162?
>>>>   I cannot determine the correct syntax for the 'samba-tool dns 
>>>> delete' command.
>>>>
>>>>
>>>> samba-tool dns delete localhost brockley.harte-lyne.ca @ NS
>>>> smb4-2.internal.harte-lyne.ca
>>>> Password for [administrator at BROCKLEY.HARTE-LYNE.CA]:
>>>> ERROR(runtime): uncaught exception - (9701,
>>>> 'WERR_DNS_ERROR_RECORD_DOES_NOT_EXIST')
>>>>    File 
>>>> "/usr/local/lib/python3.7/site-packages/samba/netcmd/__init__.py", 
>>>> line
>>>> 185, in _run
>>>>      return self.run(*args, **kwargs)
>>>>    File 
>>>> "/usr/local/lib/python3.7/site-packages/samba/netcmd/dns.py", line 
>>>> 1071,
>>>> in run
>>>>      raise e
>>>>    File 
>>>> "/usr/local/lib/python3.7/site-packages/samba/netcmd/dns.py", line 
>>>> 1067,
>>>> in run
>>>>      del_rec_buf)
>>>>
>>>>
>>>> samba-tool dns delete localhost brockley.harte-lyne.ca @ NS 
>>>> 192.168.216.162
>>>> Password for [administrator at BROCKLEY.HARTE-LYNE.CA]:
>>>> ERROR(runtime): uncaught exception - (9701,
>>>> 'WERR_DNS_ERROR_RECORD_DOES_NOT_EXIST')
>>>>    File 
>>>> "/usr/local/lib/python3.7/site-packages/samba/netcmd/__init__.py", 
>>>> line
>>>> 185, in _run
>>>>      return self.run(*args, **kwargs)
>>>>    File 
>>>> "/usr/local/lib/python3.7/site-packages/samba/netcmd/dns.py", line 
>>>> 1071,
>>>> in run
>>>>      raise e
>>>>    File 
>>>> "/usr/local/lib/python3.7/site-packages/samba/netcmd/dns.py", line 
>>>> 1067,
>>>> in run
>>>>      del_rec_buf)
>>>>
>>> How many DC's do you have ?
>>>
>>> If it is two, SMB4-1 and smb4-2, then stop trying to remove smb4-2, 
>>> it is a valid NS record, the only invalid record is the 
>>> 192.168.216.162 A record.
>>>
>>> Rowland
>>>
>>>
>>>
>> I can't find any possibility to delete a NS record with samba-tool 
>> and I would do it...to much typing ;-)
>> have your tried the RSAT tools on a windows PC?
>>
>> I do this small changes in the DNS Manager
>>
>>
>> Mani
>>
> Found it (while having my morning walk with the dog): same as with 
> SOA: this is a zone/domain thing and not record
>
> Usage: samba-tool dns delete <server> <zone> <name> 
> <A|AAAA|PTR|CNAME|NS|MX|SRV|TXT> <data>
> zone=domain
> name=domain
> data= FQDN of the server you want to delete
>
> Usage: samba-tool dns add <server> <zone> <name> 
> <A|AAAA|PTR|CNAME|NS|MX|SRV|TXT> <data>
> same as above
>
> Mani
>
>
>
Close, but not quite correct, 'name=domain' should be 'name=@'

Rowland