Newbie DNS question
Mark_Andrews at isc.org
Mark_Andrews at isc.org
Wed Apr 10 22:53:34 UTC 2002
>
> Hi,
>
> I am reposting this after I amended some config files following
> some advice from Linux newsgroups. Still I am facing problems.
> I have added my reverse zone file setup in the hope that it
> can make matters clearer.
>
> As mentioned, my setup is extremely simple, I just want to
> set my worksttation to be a master server.
>
> i) When I issue a dig command: I get this error message
>
> ; <<>> DiG 9.1.0 <<>> birds.com.sg
Upgrade 9.1.0 is seriously past its use by date. I'd recommend
9.2.1rc1 with a upgrade to 9.2.1 when it is released.
> ;; global options: printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 9309
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;birds.com.sg. IN A
>
> ;; Query time: 13 msec
> ;; SERVER: 127.0.0.1#53(0.0.0.0)
> ;; WHEN: Tue Apr 9 14:32:40 2002
> ;; MSG SIZE rcvd: 30
>
>
> ii) When I issue a nslookup command: nslookup 16.153.64.118, I get:
> Server: 0.0.0.0
> Address: 0.0.0.0#53
>
> ** server can't find 118.64.153.16.in-addr.arpa.: SERVFAIL
Before attempting to test a nameserver it pays to check the
logs.
>
>
> The files I set are:
>
> 1) My named.conf file
> options {
> directory "/var/named";
> };
>
> zone "0.0.127.in-addr.arpa" IN {
> type master;
> file "named.local";
> };
>
> zone "birds.com.sg" IN {
> type master;
> file "birds.com.sg.zone";
> };
>
> zone "64.153.16.in-addr.arpa" IN {
> type master;
> file "16.153.64.reverse";
> };
>
>
> 2) My zone file, birds.com.sg
> $TTL 604800
> @ IN SOA gandalf.birds.com.sg. tankc.gandalf.birds.com.sg. (
> 42 ; serial (d. adams)
> 3H ; refresh
> 15M ; retry
> 1W ; expiry
> 1D ) ; minimum
> NS gandalf.birds.com.sg.
> gandalf IN A 16.153.64.118
> egret IN A 16.153.64.111
> falcon IN A 16.153.64.100
> swan IN A 16.153.64.203
Leading space is significant. This would have been logged.
named-checkzone would have also complained.
e.g.
named-checkzone birds.com.sg birds.com.sg.zone
> These IP address are NOT connected to Internet. (Yes, I know
> these set of IP addresses are strange, but it is a
> long story)
>
> 3) My reverse zone file, 16.153.64.reverse
> @ IN SOA gandalf.birds.com.sg. (
> 42 ; serial (d. adams)
> 3H ; refresh
> 15M ; retry
> 1W ; expiry
> 1D ) ; minimum
> IN NS gandalf.birds.com.sg.
> 118 IN PTR gandalf.birds.com.sg.
> 111 IN PTR egret.birds.com.sg.
> 100 IN PTR falcon.birds.com.sg.
> 203 IN PTR swan.birds.com.sg.
This zone also does not have a TTL set. BIND 9.1.x requires
a $TTL or a explicit TTL on the first record. BIND 9.2.x
will use the minimum field iff the first record is the SOA
and it has not otherwise been set.
Mark
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark.Andrews at isc.org
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