forwarding problem

David Botham dns at botham.net
Tue Oct 15 19:44:22 UTC 2002




> -----Original Message-----
> From: bind-users-bounce at isc.org [mailto:bind-users-bounce at isc.org] On
> Behalf Of Hulman, Patrick (CCI-Atlanta)
> Sent: Tuesday, October 15, 2002 2:50 PM
> To: bind-users at isc.org
> Subject: forwarding problem
> 
> 
> I'm getting intermittent forwarding for my reverse dns.  I'm using
bind =
> 8.3.3 on solaris 8.
> 
> Locally, the names will resovle correctly using nslookup, not always
the =
> case with dig. =20
> Here is my portion of my named.conf file
> 
> 
> zone "227.14.68.in-addr.arpa" {
>         type forward;
>         forwarders { 68.99.120.55; 68.99.120.48; };
> };
> 
> zone "228.14.68.in-addr.arpa" {
>         type forward;
>         forwarders { 68.99.120.55; 68.99.120.48; };
> };
> 
> There are no master forwarding statements
> 
> here are the nslookup/dig results
> First I wanted to check to see how other dns servers would get
results.  =
> So I followed page 288 of Dns and Bind and got the following
> 
> Default Server:  localhost
> Address:  127.0.0.1
> 
> > set nosearch
> > set norec
> > 68.14.228.22
> Server:  localhost
> Address:  127.0.0.1
> 
> Authoritative answers can be found from:
> 228.14.68.in-addr.arpa  nameserver =3D ns1.coxmail.com
> 228.14.68.in-addr.arpa  nameserver =3D ns2.coxmail.com
> ns1.coxmail.com internet address =3D 68.99.120.55
> ns2.coxmail.com internet address =3D 68.99.120.48
> 
> Nothing unexpected. So I tried another.
> 
> 
> > 68.14.227.222
> Server:  localhost
> Address:  127.0.0.1
> 
> Authoritative answers can be found from:
> 68.in-addr.arpa nameserver =3D ARROWROOT.ARIN.NET
> 68.in-addr.arpa nameserver =3D BUCHU.ARIN.NET
> 68.in-addr.arpa nameserver =3D CHIA.ARIN.NET
> 68.in-addr.arpa nameserver =3D DILL.ARIN.NET
> 68.in-addr.arpa nameserver =3D EPAZOTE.ARIN.NET
> 68.in-addr.arpa nameserver =3D FIGWORT.ARIN.NET
> 68.in-addr.arpa nameserver =3D GINSENG.ARIN.NET
> 68.in-addr.arpa nameserver =3D HENNA.ARIN.NET
> 68.in-addr.arpa nameserver =3D INDIGO.ARIN.NET
> ARROWROOT.ARIN.NET      internet address =3D 198.133.199.110
> BUCHU.ARIN.NET  internet address =3D 192.100.59.110
> CHIA.ARIN.NET   internet address =3D 192.5.6.32
> DILL.ARIN.NET   internet address =3D 192.35.51.32
> EPAZOTE.ARIN.NET        internet address =3D 192.41.162.32
> FIGWORT.ARIN.NET        internet address =3D 192.42.93.32
> GINSENG.ARIN.NET        internet address =3D 192.33.14.32
> HENNA.ARIN.NET  internet address =3D 192.26.92.32
> INDIGO.ARIN.NET internet address =3D 192.31.80.32
> *** No address (A) records available for 68.14.227.222
> 
> So why did i get this result?
> I did a dig to see what it got.
> 
> ; <<>> DiG 8.3 <<>> 68.14.227.222
> ;; res options: init recurs defnam dnsrch
> ;; got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 2
> ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL:
0
> ;; QUERY SECTION:
> ;;      68.14.227.222, type =3D A, class =3D IN

Notice the Query is for an A RR.

The correct syntax for what you are trying is:

dig -x 68.14.227.222

I get server fails when I try this dig.  Your zone is probably not
loading correctly...

Dave...

> 
> ;; Total query time: 8 msec
> ;; FROM: fed1nses to SERVER: default -- 127.0.0.1
> ;; WHEN: Tue Oct 15 13:55:02 2002
> ;; MSG SIZE  sent: 31  rcvd: 31
> 
> 
> then i did a nslookup
> 
> nslookup
> Default Server:  localhost
> Address:  127.0.0.1
> 
> > 68.14.227.222
> Server:  localhost
> Address:  127.0.0.1
> 
> Name:    wsip68-14-227-222.ph.ph.cox.net
> Address:  68.14.227.222
> 
> and redid the dig
> 
> > dig 68.14.227.222
> 
> ; <<>> DiG 8.3 <<>> 68.14.227.222
> ;; res options: init recurs defnam dnsrch
> ;; got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 2
> ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL:
0
> ;; QUERY SECTION:
> ;;      68.14.227.222, type =3D A, class =3D IN
> 
> ;; AUTHORITY SECTION:
> .                       3H IN SOA       A.ROOT-SERVERS.NET. =
> NSTLD.VERISIGN-GRS.COM. (
>                                         2002101500      ; serial
>                                         30M             ; refresh
>                                         15M             ; retry
>                                         1W              ; expiry
>                                         1D )            ; minimum
> 
> 
> ;; Total query time: 8 msec
> ;; FROM: fed1nses to SERVER: default -- 127.0.0.1
> ;; WHEN: Tue Oct 15 13:55:21 2002
> ;; MSG SIZE  sent: 31  rcvd: 106
> 
> i did a dump of the db and see the following
> 
> ; 227.14.68.in-addr.arpa (type 5, class 1, source Nil)
> ;       time=3D0, lastupdate=3D0, serial=3D0,
> ;       refresh=3D0, retry=3D0, expire=3D0, minimum=3D0
> ;       ftime=3D0, xaddrcnt=3D0, state=3D80040, pid=3D0
> ; 228.14.68.in-addr.arpa (type 5, class 1, source Nil)
> ;       time=3D0, lastupdate=3D0, serial=3D0,
> ;       refresh=3D0, retry=3D0, expire=3D0, minimum=3D0
> ;       ftime=3D0, xaddrcnt=3D0, state=3D80040, pid=3D0
> 
> So the question is why aren't my machines forwarding to others =
> correctly?  Did I stumble on a bug or am I misconfiguring?
> 
> patrick
> 




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