Lab 7Domain Name Service 264860407003-1 . 3 264860407003-1 . 3 Computer Network Laboratory

2 2550

Lab 7 Domain Name Service

1. Domain name

2. Domain name

1. service bind #yum install bind

2. server domain com dot com /etc/named.conf Config named start directory named

com com.for Domain IP Adress 7.2.10.in-addr.arpa IP Adress Domain

com.for

com.re reverse zone host IP IP 10.2.7.88 nslookup 88 IN PTR a.com.

3. restart service named #service named restart a.com nslookup

10.2.7.88 nslookup a.com

# host l com [IP] .com

4. server 2 sub domain chiangmai.com chiangmai dot com

forwarders file /etc/named.conf server 2 zone chiangmai /etc/named.conf # vi /etc/named.conf

service named restart

5. server x.chiangmai.com, y.chiangmai.com, z.chiangmai.com

1 chiangmai.zone zeroman.zeb chiangmai.zone zeroman.reb

6. DNS server2 server1

2 chiangmai.com

nslookup server 2 .com nslookup server 2 chiangmai .com

nslookup server 2 www.cabal.in.th

Domain Name Server Domain Name yum install bind /etc/resolv.conf server master .com ip .com /etc/named.conf zone slave master sub domain chiangmail.com function forwarders ip master dns 1. Option forwarder named.conf forwarders2. Caching name server name server name server ip name server

/etc/named.conf # vi /etc/named.conf ( 1 .com

/etc/named.conf # vi /etc/named.conf 2 (a10.com

/etc/named.conf # vi /etc/named.conf 3 (b4.a10.com

# host l com 10.2.7.143 .com server

mail exchanger

# host l a10.com 10.2.7.70 a10.com server

mail exchanger

# host l b4.a10.com 10.2.7.167 b4.a10.com server

mail exchanger

com.zone

com.rev

ch.zone

ch.rev

ch.zone

chcom.re

nslookup

nslookup

nslookup

IP com.for

IP

a 10.2.7.88

com.re 88 a.com

server server address

domanin server domanin ip server

1 zone 1 10.2.7.178 master

chiangmai.zone

update

ip server server

doman chiangmai.com

server

server

address

zone com

ip 10.2.10.xx com.rev

zone a10.com ip 10.2.7.70

ip 192.168.9.xx ip 10.2.7.70

zone b4.a10.com ip 10.2.7.70

ip 192.168.10.xx ip 10.2.7.70

forwarders ip 10.2.7.143

forwarders ip 10.2.7.70

zone a10.com ch.zone

ip 192.168.9.xx ch.rev

zone b4.a10.com ip 10.2.7.167

ip 192.168.10.xx ip10.2.7.167

ip 192.168.10.xx thcom.re

zone b4.a10.com thcom.for

domanin server domanin ip server

domanin server domanin ip server

domanin server domanin ip server

mail 10.2.8.12

com.rev 12 mail.com

mail 10.2.9.12

ch.rev 12 mail.a10.com

mail 10.2.10.34

chcom.re 33 www.b4..a10.com

mail exchanger

mail exchanger

server 10.2.7.143

www.a10.com

Ip 192.168.10.35 name

server 10.2.7.70

www.com

Ip 192.168.10.33 name

server 10.2.7.167

www.b4.a10.com

Ip 192.168.9.11 name