forwarders

2012-05-28 Thread Amira Othman
Hi all

I configured bind9 on centos 5.8 server that has postfix mail server running
on. When I added my ISP DNS ips to forwarders the mail server stopped
sending mails and gives me DNS error

requires that all mail servers must have a PTR record with a valid Reverse
DNS entry. Currently your mail server does not fill that requirement.

But I didn't change mail server configuration and its MX record points to
one of ISP DNS as I am still using their DNS. What's wrong on my
configuration or what's missing?

I also can't nslookup my DNS server although I added reverse zone in my
zones. Should I have PTR in registrar also or it's just in my DNS server?

Regards  

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different between views and having multiple instances

2012-05-24 Thread Amira Othman
Hi all

I need to understand the difference between configuring bind views and
having multiple instances of bind. I have 5 network interfaces on my server
and I want to have 2 instances of DNS server (just for testing) and I don't
know which one to do ?

thanks

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Bind configuration and log error

2012-05-23 Thread Amira Othman
Hi all

I have in my messages log file many lines as follows but with different
domains unreachable what does this mean:

named[15490]: network unreachable resolving 'platinum.cs.umanitoba.ca/A/IN'

also I can't dig or nslookup or ping my DNS server remotely what should I do
to enable that?

Regards

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Bind configuration

2012-05-21 Thread Amira Othman
Hi all 

I have configured bind9 on centos 5.8 but I still can't nslookup my domain.
Below are my configuration:


Named.conf

key rndckey {
algorithm   hmac-md5;
secret
jQdcyY1HIkooWVB24Dr4uX5jrVcuZFNEJaGa9Q5e3otOjSrcMVGOwhACivlX;
};
options {
directory /var/named;
pid-file /var/run/named/named.pid;
zone cairosource {
type master;
notify no;
file cairosource.zone;
};

Zone file

; BIND db file for cairosource.com

$TTL 86400

@   IN  SOA nameserverof domain. mail account. (
2012051810
28800
7200
864000
86400 )

NS  ns1
localhost A  127.0.0.1
ns1   A  server local ip
mydomainname   A   server external ip

any help please ?

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bind multiple instances

2012-05-18 Thread Amira Othman
Hi all
I am using bind 9 on centos 5.8 and I want to configure second instance on
bind with another ip. Is that possible with bind and how can I do that?

Regards 

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