[Samba] samba 4.8 with bind - bugged dns entry in reverse lookup zone

Kacper Wirski kacper.wirski at gmail.com
Sat Jul 21 19:43:17 UTC 2018

Thank You for the prompt reply.

By "sam.ldb" you mean the samba/bind-dns/dns/sam.ldb right?

After executing:

ldbsearch --cross-ncs -H /path/to/samba/bind-dns/dns/sam.ldb '(name=49)'

I do find same records, as with previous search including the one I need 
to delete as it is bugged.

It's dn is:


But when executing search again with '(dn=...)' instead of '(name=...)':

ldbsearch --cross-ncs -H /path/to/samba/bind-dns/dns/sam.ldb 

I get "0 records found".

I suppose there's something wrong with my query. i tried escaping "=" 
after dn= (e.g. dn=DC\=49 etc.), but it didn't work. So what am I missing?

And what would be proper syntax for ldbdel:

ldbdel -H /path/to/samba/bind-dns/dns/sam.ldb '(dn=<corrected dn from 




W dniu 21.07.2018 o 21:24, Rowland Penny via samba pisze:
> On Sat, 21 Jul 2018 20:57:07 +0200
> Kacper Wirski via samba <samba at lists.samba.org> wrote:
>> Hello,
>> I found this bugged record with
>> ldbsearch -H
>> path/to/samba/bind-dns/dns/sam.ldb.d/DC\=DOMAINDNSZONES\,DC\=SUBDOMAIN\,DC\=DOMAIN\,DC\=PL.ldb
>> '(name=49)'
>> So I have a couple of questions - hopefully someone can shed some
>> light:
>> - am I looking in correct .ldb for bind-dns?
> No, only operate on sam.ldb, you need the '--cross-ncs' option to
> ldbsearch.
>> - can I remove this record?
> yes, provided it is the correct record.
>> If yes what's the best method?
> ldbdelete ?
>> Should
>> samba and/or bind be stopped?
> Neither should need to be stopped.
>> As I have 2 DC's, is editing on one enough?
> Yes, the change should be replicated to the other.
>> SHould both be stopped?
> No, you shouldn't need to stop either.
> Rowland

More information about the samba mailing list