Subdomain authorization
Authorize child domains on the parent domain .ocm-- > mageedu.com
Mageedu IN NS ns1.mageedu.com.
IN NS ns2.mageedu.com.
Ns1.mageedu.com IN A 192.168.100.1
Ns2.mageedu.com IN A 192.168.100.2
Now I want to authorize a subdomain called fin and one called market: (may not be in a network segment)
Fin.mageedu.com. IN NS ns1.fin.magedu.com.
Ns1.fin.magedu.com. IN A 192.168.100.3
(you can also create two name servers for fin; the above letter replication only needs to be changed to IP)
Market IN NS ns1.market.mageedu.com.
Ns1.market.mageedu.com. IN A 192.168.9.4
# # #
Vim / var/named/mageedu.com.zone edit this field
Fin IN NS ns1.fin (as long as you write NS, you will know it is a subdomain)
Ns1.fin IN A 192.168.100.3
Market IN NS ns1.market.mageedu.com.
Ns1.market.mageedu.com. IN A 192.168.9.4
Modify serial number + 1
Service named restart restart
@ @ 2
Clone a virtual machine
Configure the IP address to 9.4
0. Set the IP DNS server to point to itself, and the search domain is fin.mageedu.com
Restart the network
1 、 vim / etc/named.conf
2. Leave named.ca;named.localhost;named.loopback
3. Zone "fin.mageedu.com" IN {
Type master
File "fin.mageedu.com.zone"
}
4. Cd / var/named;; mv mageedu.com.zone fin.mageedu.com.zone
5. Editor: $TTL 86400
@ IN SQA ns1.fin.mageedu.com admin.fin.mageedu.com. (
2013040201
2H
10M
7D
2D)
IN NS ns1
IN MX 10 mail
Ns1 IN A 192.168.9.3
Mail IN A 192.168.9.4
Www IN A 192.168.9.5
Wq restarts the network
6. Dig-t A www.fin.mageedu.com @ 192.168.9.3
7. Dig-t ns1.fin.mageedu.com @ 192.168.9.1 on the parent domain
You will see that there is a subdomain 9.3
# # #
Enable the parent domain to forward for the child domain
Fill in under the options option in the configuration file of the subdomain
Forward first;, if you forward it, you forward it. If you don't forward it, I'll find the root.
Forwarders {172.16.100.1;}; forward to the server 100.1
Restart the service
* *
Now I want to implement: if it is a request for mageedu.com, the domain will be forwarded to the parent domain, and nothing else will be forwarded.
Vim / etc/named.conf
Remove forward and forwarders from options
Add a set of zone "mageedu.com" IN {
Type forward
Forward first
Forwarders {172.16.100.1;}
}
Named-checkconf
Restart
# #
Check the IP address of com
Dig-t NS com
