Hope this helps. John
Here is how I did it using Windows 2003 DNS server.
Note, Since you are not using a /24 space, you cannot add the reverse DNS IP's using the DNS wizard. You will have to create the text file manually.
For this example, the subnet is 1.1.1.16/28
usable IP's are x.x.x.17 - x.x.x.30
x.x.x.31 broadcast
Within the Reverse Lookup zone, clisk on New zone. Then click next. Click on a primary zone, then click next. Click on Reverse looku zone name (do not specify and IP here) For the name, put in your IP subnet backwards 16.1.1.1.in-addr.arpa, click next Use existing file or create a new file (either way) Do not allow dynamic updates, finish.
Below is an sample file I'm using. =========== start ======================= ; ; Database file 8.1.1.1.in-addr.arpa.dns for 8.1.1.1.in-addr.arpa zone. ; Zone version: 2004010011 ;
@ IN SOA ns1.domain.net. admin.domain.net. (
2004010011 ; serial number
900 ; refresh
600 ; retry
86400 ; expire
3600 ) ; default TTL; ; Zone NS records ;
@ NS ns1.domain.net. ns1.domain.net. A 1.1.1.10
; ; Zone records ;
10 PTR mail.domain.net. 11 PTR mail2.leaveittobeaver.net. 12 PTR domain.net. 13 PTR domain.net. 14 PTR domain.net. 9 PTR gateway.domain.net. =========== End =======================
Stan Friesen wrote:
First post - somewhat OT. AOL recently blocked mail from us. AOL says spam and no reverse DNS. Would appreciate help, on or offline (except to AOL) on how to configure classless delegation on NT4 and MS DNS for our IP. Mail server is on a x.x.x.x/28 piece of a class A.
Stan
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