[Samba] samba-tool PTR with /16 network

[L.P.H. van Belle]

Yes, offcourse, the 172.19 is a "bad" example. 
I suggest we use the official RFC 1918 zones. 

10.0.0.0/8
172.16.0.0/12
192.168.0.0/16

And for example 192.168.0.0/24 as extra, or people get confused.  ;-) 


Greetz, 

Louis


 

> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
> Rowland penny via samba
> Verzonden: woensdag 7 augustus 2019 10:52
> Aan: samba at lists.samba.org
> Onderwerp: Re: [Samba] samba-tool PTR with /16 network
> 
> On 07/08/2019 09:27, L.P.H. van Belle via samba wrote:
> > Hai,
> >
> > Ok, i did a few things on my DC and see the how/what here.
> >
> > First, the zone.
> > samba-tool dns zonecreate rtd-dc1 19.172.in-addr.arpa
> > That worked fine, in windows DNS tool that shows correct.
> >
> > Now i added an PTR with this line.
> > samba-tool dns add dc1 19.172.in-addr.arpa 55.0 PTR 
> testhost.internal.domain.tld
> >
> > This resulted in a subfolder "0" the 19.172.in-addr.arpa zone.
> > Where the ip resulted in 172.19.0.0.55 Trying to delete 
> this from this zone, that did not work, but wait.
> > After a few minutes, i was wondery why/what the ... ..
> > I was stunned by it, i refreshed the zone. And hee.. What 
> happend.. Now it looks correct.
> > The "extra" 0 folder in the arpa zone is gone
> > And the ip what i wanted is in. 172.19.0.55 with the 
> corrected hosts assigned to it.
> >
> > So i added also in the other range..
> > samba-tool dns add dc1 19.172.in-addr.arpa 55.1 PTR 
> testhost2.internal.domain.tld
> >
> > And that resulted nicely in the correct ip 172.19.1.55
> >
> > So per example
> > samba-tool dns zonecreate rtd-dc1 0.19.172.in-addr.arpa	
> for a /24 zone
> > samba-tool dns zonecreate rtd-dc1 19.172.in-addr.arpa	
> 	for a /16 zone
> > samba-tool dns zonecreate rtd-dc1 172.in-addr.arpa		
> for a /8 zone
> >
> > Adding the ptr records.
> >                     (*1)     (*2) 	             (*3)     (*4)
> > samba-tool dns add dc1.fqdn 1.19.172.in-addr.arpa 55 PTR 
> testhost2.internal.domain.tld  (/24 )
> > samba-tool dns add dc1.fqdn 19.172.in-addr.arpa 55.1 PTR 
> testhost2.internal.domain.tld  (/16 )
> > samba-tool dns add dc1.fqdn 172.in-addr.arpa 55.1.19 PTR 
> testhost2.internal.domain.tld  (/8 )
> > 1) the hostname or fully qualified hostname.  Adviced is to 
> use the FQDN hostname.
> > 2) the reverse zone.
> > 3) the reverse ip.  Here you write the ip from right to 
> left. 172.19.1.55 in reverse zone is 55.1.19.172
> > 4) the hostname where the ip is pointing to.
> >
> > @Rowland, maybe we should add an example as shown here on the wiki.
> >
> Yes, but not with '172.19' ;-)
> 
> I get the same results, but there is a problem, the OPs 
> ipaddress is for 
> an internet domain:
> 
> host -t PTR 172.9.0.11
> 11.0.9.172.in-addr.arpa domain name pointer 
> 172-9-0-11.lightspeed.snantx.sbcglobal.net.
>   I do hope that the OPs 'domain.lan' is 
> 'snantx.sbcglobal.net' or he is 
> using someone else's IP range, but then again, I hope it 
> isn't, because 
> if it is, his DC is internet resolvable.
> 
> Rowland
> 
> 
> 
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