DNS is driving me crazy! (need another set of eyes)
andy dingfelder
dingfelder at earthlink.net
Thu Nov 27 07:43:34 UTC 2003
(sorry if this posts twice, I'm having trouble with my news setup)
Ok, I made the jump and formatted my win2k box and installed redhat 9.
Now im having a bear of a time getting my DNS set up. I have perused a
gazillion how-to guides and am obviously missing something :( Im hoping
some kind soul can help to keep me from going back to the dark side :P
Basially, I would love another set of eyes to look at my config to see what
I am doing wrong.
Background Info: I used to have my web server, application server, dns,
sendmail and DB on my windows server and it all worked last week, so I know
the problem is not in my router or my domain itself...
Also, I shut my firewall completely off for this test so I know it must be
my DNS config. (my router is only granting access to port 80 for web, 53
for DNS and 22 for SSH)
Finally, I believe DNS is up and running because I can telnet to localhost
53 and when I grep for "named", I get:
[root at jomamma root]# ps -ef | grep named
named 5468 1 0 18:47 ? 00:00:01 [named]
root 5649 5622 0 22:13 pts/1 00:00:00 grep named
I will list my configuration below for convenience... I will be so happy
if anyone can point out ways to perfect my setup.
Thanks !
For these examples:
1. I am changing my domain to "mydomain"
2. The internal ip address of the linux box is 192.168.1.11.
3. The name servers are ns1.mydomain.com and ns2.mydomain.com and are are
registered with my server as their ip address (listed as 100.100.100.100
below). This ip is the external address of my linksys router which is
forwarding port 53 to my server's internal ip.
4. admin email is admin at mydomain.com
5. server name is jomamma
----------------------------------------------------
>>>>>>> start /etc/hosts
127.0.0.1 jomamma localhost.localdomain localhost
>>>>>>> end /etc/hosts
----------------------------------------------------
>>>>>>> start /var/named/0.0.127.in-addr.arpa.zone
$TTL 3600
@ IN SOA ns1.mydomain.com. admin.mydomain.com. (
2003112418 ; serial
28800 ; refresh
7200 ; retry
604800 ; expire
86400 ; ttk
)
NS ns1.mydomain.com.
NS ns2.mydomain.com.
1 PTR localhost.
>>>>>>> end /var/named/0.0.127.in-addr.arpa.zone
----------------------------------------------------
>>>>>>> start /var/named/1.168.192.in-addr.arp.zone
$TTL 3600
@ IN SOA @ root.localhost (
2003112418 ; serial
28800 ; refresh
7200 ; retry
604800 ; expire
86400 ; ttk
)
@ IN NS ns1.mydomain.com.
@ IN NS ns2.mydomain.com.
>>>>>>> end /var/named/1.168.192.in-addr.arp.zone
----------------------------------------------------
>>>>>>> start /var/named/mydomain.com.zone
$TTL 3600
@ IN SOA ns1.mydomain.com. admin.mydomain.com. (
2003112501 ; serial
2880 ; refresh
720 ; retry
60480 ; expire
8640 ; ttl
)
IN NS ns1.mydomain.com.
IN NS ns2.mydomain.com.
IN MX 10 mail.mydomain.com.
ns1 IN A 100.100.100.100
ns2 IN A 100.100.100.100
jomamma IN A 100.100.100.100
www IN CNAME jomamma
webserver IN A jomamma
mail IN A jomamma
; eot
>>>>>>> end /var/named/mydomain.com.zone
----------------------------------------------------
>>>>>>> start /var/named/localhost.zone
$TTL 3600
$ORIGIN localhost.
@ 1D IN SOA @ root (
2003112417 ; serial
28800 ; refresh
7200 ; retry
604800 ; expire
86400 ; ttk
1D IN NS @
1D IN A 127.0.0.1
>>>>>>> end /var/named/localhost.zone
----------------------------------------------------
>>>>>>> start /var/named/named.local
$TTL 3600
@ IN SOA localhost. root.localhost. (
2003112417 ; Serial
28800 ; Refresh
14400 ; Retry
3600000 ; Expire
86400 ) ; Minimum
IN NS localhost.
1 IN PTR localhost.
>>>>>>> end /var/named/named.local
----------------------------------------------------
(in this file the 3 nameservers are earthlink's dns servers)
>>>>>>> end /etc/resolv.conf
search mydomain.com
nameserver 207.217.120.83
nameserver 207.69.188.185
nameserver 207.69.188.186
>>>>>>> end /etc/resolv.conf
Flame on :P
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