Reverse Delegation Sanity check
Michael Cunningham
malice at exit109.com
Tue Dec 14 01:11:26 UTC 1999
Folks,
I need a little sanity check on my work before I put this into
production since I havent done reverse delegation for a LONG time.
I have 2 subnets that need to be delegated out to another nameserver.
First is the 137.236.0.0/255 Class B address which my main nameserver is
responsible for. I need to delegate out 137.236.214.0/255 to another dns
server.
Second is the 205.183.255.0/255 Class C address which is another
nameserver I am responsible for. I need to delegate out a subnet
of that class C. 205.183.255.223/224 to another dns server.
First in the 137.236 nameserver I put in the db.137.236 file
255/0.214 NS medns1.messagereach.com.
1.214 CNAME 1.214.255/0.214
2.214 CNAME 2.214.255/0.214
3.214 CNAME 3.214.255/0.214
4.214 CNAME 4.214.255/0.214
5.214 CNAME 5.214.255/0.214
6.214 CNAME 6.214.255/0.214
.. and so on up to 254 for the class C
Then on the medns1.messagereach.com server I setup in the named.boot file
(working on solaris 2.6)
primary 255/0.214.236.137.in-addr.arpa db.137.236.214
For the Class C subnet delegation I do on the 205.183.255.0/255 primary
dns server I put in the db.205.183.255 file
224/223 NS medns1.messagereach.com.
224 CNAME 224.224/223
225 CNAME 225.224/223
226 CNAME 226.224/223
227 CNAME 227.224/223
228 CNAME 228.224/223
.. And so on up to 255 for the subnetted class C.
Then on the medns1.messagereach.com server I setup in the named.boot file
primary 224/223.255.183.205.in-addr.arpa db.205.183.255.223
Is this correct? If not where did I go wrong? Any shortcuts I could use?
Thanks for any help..
Mike
--
Friends help you move. Real friends help you move bodies.
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