Date: Mon, 28 Mar 2011 00:06:28 -0500 (CDT) From: Robert Bonomi <bonomi@mail.r-bonomi.com> To: bluethundr@gmail.com, freebsd-questions@freebsd.org Subject: Re: reverse dns in bind9 Message-ID: <201103280506.p2S56S5i052834@mail.r-bonomi.com> In-Reply-To: <AANLkTik9mnTd_h7Yz7XBK8zpLcdoGjxyMHqfHJv1TVno@mail.gmail.com>
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> Date: Mon, 28 Mar 2011 00:19:26 -0400
> From: Tim Dunphy <bluethundr@gmail.com>
> Subject: reverse dns in bind9
>
> Hello,
>
> I am attempting to setup reverse dns in bind 9 under freebsd... this is
> in an attempt to allow mysql to work a little easier with DNS
> resolution.
>
> In my /etc/named/named.conf file I have the following:
>
> // RFC 1912
> zone "localhost" { type master; file "master/localhost-forward.db"; };
> zone "127.in-addr.arpa" { type master; ile "master/localhost-reverse.db"; };
> zone "255.in-addr.arpa" { type master; file "master/empty.db"; };
> zone "192.in-addr.arpa" { type master; file "master/summitjnhome-reverse.db"; };
> zone "summitnjhome.com" { type master; file "master/summitnjhome.db"; };
>
>
> My master/summitnjhome.com looks like the following:
For starters, this should be in "master/summitnjhome-reerse.db"
>
> $TTL 3D
> @ IN SOA ns1.summitnjhome.com. bluethundr.gmail.com. (
> 201103271 ; Serial, todays date + todays serial
> 8H ; Refresh
> 2H ; Retry
> 4W ; Expire
> 1D) ; Minimum TTL
> NS ns1.summitnjhome.com.
>
> summitnjhome.com.
> 42 PTR LCENT01.summitnjhome.com.
> 43 PTR LCENT02.summitnjhome.com.
> 44 PTR LBSD2.summitnjhome.com.
> 45 PTR LCENT02.summitnjhome.com.
> 46 PTR LCENT03.summitnjhome.com.
> 47 PTR LCENT04.summitnjhome.com.
> 23 PTR virtcent01.summitnjhome.com.
> 24 PTR virtcent02.summitnjhome.com.
> 21 PTR virtcent03.summitnjhome.com.
> 26 PTR virtcent04.summitnjhome.com.
> 27 PTR virtcent05.summitnjhome.com.
> 28 PTR virtcent06.summitnjhome.com.
> 29 PTR virtcent07.summitnjhome.com.
> 30 PTR virtcent08.summitnjhome.com.
> 31 PTR virtcent09.summitnjhome.com.
> 32 PTR virtcent10.summitnjhome.com.
> 33 PTR virtcent11.summitnjhome.com.
> 34 PTR virtcent12.summitnjhome.com.
> 35 PTR virtcent13.summitnjhome.com.
> 36 PTR virtcent14.summitnjhome.com.
> 37 PTR virtcent15.summitnjhome.com.
> 38 PTR virtcent16.summitnjhome.com.
> 39 PTR virtcent17.summitnjhome.com.
> 40 PTR virtcent18.summitnjhome.com.
> 41 PTR virtcent19.summitnjhome.com.
>
>
> and my /etc/resolv.conf looks like this:
>
> domain summitnjhome.com
> nameserver 192.168.1.44
> nameserver 4.2.2.2
>
> zone "1.168.192.in-addr.arpa" { type master; file
> "/etc/named/master/summitnjhome-reverse.db"
> };
the 'zone' line you show should *NOT* be in resolv.conf at all.
this line should be in the named.conf file *instead* of the one for
the '192.in-addr.arpa' zone.
> then I restart both named and the network service
>
> and yet if I were to try forward resolution:
>
> LBSD2# host sum1
> sum1.summitnjhome.com is an alias for LCENT01.summitnjhome.com.
> LCENT01.summitnjhome.com has address 192.168.1.42
>
>
> and then reverse resolution:
>
> LBSD2# host 192.168.1.42
> Host 42.1.168.192.in-addr.arpa. not found: 3(NXDOMAIN)
>
> I have no luck. Any thoughts on this?
see above.
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