Tag: Configure

How do I configure BIND9 for a .us domain?

Posted by – Juni 26, 2010

I have a DNS server running on CentOS 5, and it works fine for all my .com and .net domain names. When I try to set up a new zone for my .us domain name, it won’t resolve. Every time I try to do a nslookup for that domain, it returns the following:

# nslookup example.us
Server: 127.0.0.1
Address: 127.0.0.1#53

** server can’t find example.us: SERVFAIL

I changed the domain name to post here, obviously. The zone file is an exact duplicate from one of my .com domains, but I changed the first line that identifies the root domain from the example.com. to example.us. Here is my .zone file:

$ttl 38400
example.us. IN SOA dns1.myworkingdomain.net. dns2.myworkingdomain.net. (
2007020400;
10800;
3600;
604800;
86400 )
@ IN NS dns1.myworkingdomain.net.
@ IN NS dns2.myworkingdomain.net.
@ IN MX 10 aspmx.l.google.com.
@ IN MX 20 alt1.aspmx.l.google.com.
@ IN MX 20 alt2.aspmx.l.google.com.
@ IN MX 30 aspmx2.googlemail.com.
@ IN MX 30 aspmx3.googlemail.com.
@ IN MX 30 aspmx4.googlemail.com.
@ IN MX 30 aspmx5.googlemail.com.
@ IN A 10.0.0.1
www IN CNAME @
googleffffffffffffffff IN CNAME google.com.

Bind starts without incident, no errors in the log or anything, but it never resolves. I am trying to do this to configure google apps with my new domain as a secondary domain. Any ideas?
The domain name is declared in my file. It is the first word in the second line. example.us.

I copied the file from my other domain, which is working perfectly. The only thing I changed is the reference to the domain on the second line from the accurately working domain to the new one. I also added this to the end of my named.conf file:

zone “example.us” IN {
type master;
file “data/example.us.zone”;
allow-update { none; };
allow-transfer { none; };
};

Which is just copied from one of the other domains and again, changed for the new domain.

I thought maybe it was the main hint file, named.root, but I downloaded the latest one from ftp.internic.net and restarted bind without any success. I have 12 other domains configured that work properly all using the same format, so I am pretty sure it’s not a file formatting issue. I just can’t figure out why the .us domain isn’t acting the same way as the .com and .net domains.

how to configure two network interfaces one for real time and one for the backup on linux?

Posted by – Juni 21, 2010

my company have centos 5 and for squid and mailserver purpose
i have to network one other ISP and one diffrent ISp
i want configuare my proxy server like this that when one network is down so second ISP service is start automaticlly but i dont know how to configuare on linux can some body help me


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