Date: Sun, 21 Jul 2002 08:21:07 -0500 From: Len Conrad <LConrad@Go2France.com> To: freebsd-questions@freebsd.org Subject: Re: DNS config Message-ID: <5.1.0.14.2.20020721081245.04bd7ec0@mail.Go2France.com> In-Reply-To: <1244.192.168.1.4.1027256860.squirrel@webmail.probsd.ws>
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>I am taking a stab at running DNS , and have been reading some on it
>today.But, I wanted to touch base with some on the list to see if my
>thinking is correct before I deploy this.
>I am going to run named in a
>Jail() on 192.168.1.6 and my Internet IP is 66.26.7.34.
rr is authoritative for your class C:
Mgw1# dig -x 66.26.7
; <<>> DiG 8.3 <<>> -x
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 2, ADDITIONAL: 2
;; QUERY SECTION:
;; 7.26.66.in-addr.arpa, type = ANY, class = IN
;; ANSWER SECTION:
7.26.66.in-addr.arpa. 59m38s IN NS ns1.ec.rr.com.
7.26.66.in-addr.arpa. 59m38s IN NS ns2.ec.rr.com.
7.26.66.in-addr.arpa. 59m38s IN SOA ns1.ec.rr.com. RRAdm.ec.rr.com. (
11 ; serial
1H ; refresh
10M ; retry
1D ; expiry
1H ) ; minimum
;; AUTHORITY SECTION:
7.26.66.in-addr.arpa. 59m38s IN NS ns1.ec.rr.com.
7.26.66.in-addr.arpa. 59m38s IN NS ns2.ec.rr.com.
;; ADDITIONAL SECTION:
ns1.ec.rr.com. 59m49s IN A 24.93.67.126
ns2.ec.rr.com. 59m49s IN A 24.93.67.127
> For named.conf,
>I have:
>
>zone "0.0.127.IN-ADDR.ARPA" {
> type master;
> file "localhost.rev";
>};
>zone "1.168.192.in-addr.arpa" {
> type master;
> file "192.168.1.in-addr.arpa.conf";
>};
... no need
>zone "my-domain.com" {
> type master;
> file "my-domain.conf";
>};
the naming conventions in the O'Reilly DNS & BIND book are worth following
named.conf is a config file, for named in this case
db.mydomain.com is a database file
>My questions are this, would I use 7.26.66.in-addr.arpa INSTEAD of
If the DNS authoritative for your subnet has not delegated reverse zone
authority for your subnet to your DNS, there's no need, other than
learning, to bother with the reverse zone file. Internet won't query your
DNS for the reverse zone.
For your ip, the reverse delegation is with rr, not you, and there is a PTR
record:
Mgw1# dig -x 66.26.7.34
; <<>> DiG 8.3 <<>> -x
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
;; QUERY SECTION:
;; 34.7.26.66.in-addr.arpa, type = ANY, class = IN
;; ANSWER SECTION:
34.7.26.66.in-addr.arpa. 1H IN PTR ilm26-7-034.ec.rr.com.
;; AUTHORITY SECTION:
7.26.66.in-addr.arpa. 1H IN NS ns1.ec.rr.com.
7.26.66.in-addr.arpa. 1H IN NS ns2.ec.rr.com.
;; ADDITIONAL SECTION:
ns1.ec.rr.com. 1H IN A 24.93.67.126
ns2.ec.rr.com. 1H IN A 24.93.67.127
>Second, why is the 0.0.127 zone "
>IN-ADDR.ARPA" capitalized where the others arent? The stock named.conf
>has it this way and I am just curious.
all the named.conf and db.zonefiles, as are DNS hostnames in general, are
case-insensitive.
Len
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