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BIND - Reverse DNS PTR

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hartbypass

Programmer
Jan 21, 2010
1
US
Hello all,

I have been working on an issue and I am looking for some validation on my settings in BIND so that I can at least know that is correct and start invesitgating other reasons.

We are getting some non delivery messages in Exchange due to the reverse PTR record not being found for 12.150.25.42

In BIND I created a new Master Zone:
32/28 (Dir)
25 (Dir)
150 (Dir)
12 (Actual Record Location)


Record name is 12.150.25.32/28

Record file contents:

$ttl 38400
32/28.25.150.12.in-addr.arpa. IN SOA ns1.dnsez.net. emailcontact.here.com. (
1257382777
10800
3600
604800
38400 )
42.25.150.12.in-addr.arpa. IN PTR server2008.gsj.com.

I have also tried:
42.32/28.25.150.12.in-addr.arpa. IN PTR server2008.gsj.com.

I have also tried adding the DNS from the other Master Zone of a different block of IPs:

$ttl 38400
32/28.25.150.12.in-addr.arpa. IN SOA ns1.dnsez.net. emailcontact.here.com. (
1257382777
10800
3600
604800
38400 )
24/29.251.51.12.in-addr.arpa. IN NS ns1.dnsez.net.
24/29.251.51.12.in-addr.arpa. IN NS ns3.dnsez.net.
42.25.150.12.in-addr.arpa. IN PTR server2008.gsj.com.

Does anyone see any glaring issues?

Thanks,
Greg
 
I don't see any glaring errors in your file, but I am still learning Bind. I did compare against my reverse file and saw a couple of things that are different.

1 - I do not use CIDR addressing in my file, but I my guess is that it is acceptible.

2 - Your last example looks very much like mine does, with one small exception. After the ) and before the first NS declaration, I have an A record with the address of the name server.

E.G.: 38400)
A 192.168.0.49 server.my.domain.

I don't know if either of these will make a difference for you, but they may be worth a try.

 
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