[Systems] [gnu.org #552346] [Fwd: Reverse DNS for translate.sugarlabs.org]
Bernie Innocenti
bernie at codewiz.org
Thu Feb 18 15:07:20 EST 2010
On Thu, 2010-02-18 at 11:57 -0500, Ward Vandewege via RT wrote:
> > [bernie at codewiz.org - Tue Feb 16 16:46:28 2010]:
> >
> > On Tue, 2010-02-16 at 13:10 -0500, Ward Vandewege via RT wrote:
> > > > ; glue records for the above nameservers
> > > > ns1.sugarlabs.org. A 140.186.70.102
> > > > ns1.sugarlabs.org. AAAA 2002:8cba:4666::1
> > > > ns2.sugarlabs.org. A 140.186.70.53
> > > > ns2.sugarlabs.org. AAAA 2002:8cba:4635::1
> > > > ns1.codewiz.org. A 83.149.158.210
> > > > ns1.codewiz.org. AAAA 2002:5395:9ed2::1
> > >
> > > I didn't add those; would bind actually be smart enough to use them?
> > > Seems like perhaps we'd better not put them in just for future
> > > maintainability?
> >
> > I have to confess that I don't entirely understand when glue records are
> > needed and when you can live without.
>
> You only need glue records when things can not be resolved otherwise -
> for instance; at your registry you defined ns1.codewiz.org as the
> nameserver for the codewiz.org domain => you need a glue record so that
> people looking up a record in codewiz.org know who to go ask.
>
> Having gratuitous glue records can speed up lookups in some cases, but
> they can also go out of date...
Thanks for the clarification... DNS documentation is often sparse and
contradictory.
This is the reverse zone I wrote for us. Can you spot any obvious error?
-----cut-----
$TTL 86400
@ SOA ns1.sugarlabs.org. hostmaster.sugarlabs.org. (
2010021801 ; serial
1D ; refresh
30M ; retry
7D ; expire
1H ) ; minimum
NS ns1.sugarlabs.org. ; EXTREF
NS ns2.sugarlabs.org. ; EXTREF
NS ns1.codewiz.org. ; EXTREF
100 PTR treehouse.sugarlabs.org. ; dogi, bernie
101 PTR UNUSED101.sugarlabs.org.
102 PTR lightwave.sugarlabs.org. ; bernie
103 PTR UNUSED103.sugarlabs.org.
104 PTR trixbox.sugarlabs.org. ; icarito
105 PTR UNUSED105.sugarlabs.org.
106 PTR pootle.sugarlabs.org. ; sayamindu
107 PTR UNUSED107.sugarlabs.org.
108 PTR template-karmic.sugarlabs.org. ; bernie
109 PTR UNUSED107.sugarlabs.org.
110 PTR beamrider.sugarlabs.org. ; bernie
111 PTR ole.sugarlabs.org. ; chrowe
112 PTR zatoichi.sugarlabs.org. ; rgs
113 PTR UNUSED113.sugarlabs.org.
114 PTR UNUSED114.sugarlabs.org.
115 PTR buildslave-ubuntu-lucid-amd64.sugarlabs.org. ; silbe
116 PTR UNUSED116.sugarlabs.org.
117 PTR UNUSED117.sugarlabs.org.
118 PTR UNUSED118.sugarlabs.org.
119 PTR UNUSED119.sugarlabs.org.
120 PTR UNUSED120.sugarlabs.org.
121 PTR UNUSED121.sugarlabs.org.
122 PTR UNUSED122.sugarlabs.org.
123 PTR aslo-web.sugarlabs.org. ; dfarning, alsroot
125 PTR UNUSED125.sugarlabs.org. ; aslo-db ; dfarning, alsroot
126 PTR UNUSED126.sugarlabs.org.
127 PTR UNUSED127.sugarlabs.org.
128 PTR UNUSED128.sugarlabs.org.
129 PTR UNUSED129.sugarlabs.org.
; Delegate the rest of the zone back to the FSF
$GENERATE 0-99 $ NS ns1.gnu.org.
$GENERATE 0-99 $ NS ns2.gnu.org.
$GENERATE 0-99 $ NS ns3.gnu.org.
$GENERATE 0-99 $ NS ns4.gnu.org.
$GENERATE 130-255 $ NS ns1.gnu.org.
$GENERATE 130-255 $ NS ns2.gnu.org.
$GENERATE 130-255 $ NS ns3.gnu.org.
$GENERATE 130-255 $ NS ns4.gnu.org.
-----cut-----
--
// Bernie Innocenti - http://codewiz.org/
\X/ Sugar Labs - http://sugarlabs.org/
More information about the Systems
mailing list