Data Networking/Fall 2014/Priya/DNS-CONFIG
The following are the steps to be followed in order to configure BIND9 which is the DNS Software and check for the availability of Primary Name Server, Webserver, Secondary Nameserver.
Configuration
editIP address Primary Nameserver ns1.neunetworks.com 192.168.3.51 Secondary Nameserver ns2.neunetworks.com 192.168.3.54 Webserver neunetworks.com 192.168.3.50
1. To check the hosts by using
cat /etc/hosts
and it is edited as below .
2 To check for IP address of DNS server use
ifconfig
and set manually to 192.168.3.51 as shown manually
ifconfig command is used to check for the IP address and clearly, It is observed that in this case the IP address is set to static 192.168.3.51
3.Installation of Bind :
sudo apt-get install bind9 used to install bind9
4.To Define forward lookupzone and Reverse lookupzone.
sudo nano /etc/bind/named.conf.local
is command used to edit named.conf. local file and apply the changes as below where forward and Reverse files are defined.
5.Create Forward Zone File
Sudo nano /etc/bind/zones/db.neunetworks.com.
command is used to edit neunetworks.com file with using the commands below the forward zone file is created.
6.Create Reverse Zone File
Sudo nano /etc/bind/zones/db.rev.3.168.192.in-addr.arpa
command used to edit db.192.168.3 file and following below commands then Reverse Zone file is created.
Starting Bind
editSudo /etc/init.d/bind9 start
command is used to start the domain name service
Verify Bind
editVerify for Primary server:
nslookup ns1.neunetworks.com
Verify for Secondary Server:
nslookup ns2.neunetworks.com
Verify for Webserver:
nslookup neunetworks.com
To Reverse check the webserver:
nslookup 192.168.3.50
To Reverse check the Primary server:
nslookup 192.168.3.51
To Reverse check the secondary Server
nslookup 192.168.3.54
The Master Server has been configured with Resource records as shown
The Slave server has been configured with Resource records as shown
The DHCP server is used as as (Secondary Server) slave server