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> PTR DNS record?, no PTR found?
nesNYC
post May 19 2007, 03:13 PM
Post #1


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Joined: 8-September 03
Member No.: 38,109



Hello, I recently moved my server over to a new and upgraded server here at the Planet. Unfortunately, since it was so long ago, I forgot how to properly set up my DNS server.. OR I have it set up right but I'm sure there was a step where I had to contact support to complete my DNS set up. Seems my server doesn't report I have a 'PTR' record although at the server it says I do. So here's what the results of a lookup from
DNSSTUFF says:

CODE
Location: United States [City: Los Angeles, California]

Preparation:
The  reverse DNS entry for an IP is found by reversing the IP, adding it to "in-addr.arpa", and looking up the PTR record.
So, the reverse DNS entry for 209.85.22.2 is found by looking up the PTR record for
2.22.85.209.in-addr.arpa.
All DNS requests start by asking the root servers, and they let us know what to do next.
See How Reverse DNS Lookups Work for more information.

How I am searching:
Asking f.root-servers.net for 2.22.85.209.in-addr.arpa PTR record:  
       f.root-servers.net says to go to basil.arin.net. (zone: 209.in-addr.arpa.)
Asking basil.arin.net. for 2.22.85.209.in-addr.arpa PTR record:  
       basil.arin.net [192.55.83.32] says to go to ns2.ev1servers.net. (zone: 22.85.209.in-addr.arpa.)
Asking ns2.ev1servers.net. for 2.22.85.209.in-addr.arpa PTR record:  Reports that no PTR records exist [from 207.218.247.135].

Answer:
No PTR records exist for 209.85.22.2. [Neg TTL=7200 seconds]

Details:
ns2.ev1servers.net. (an authoritative nameserver for 22.85.209.in-addr.arpa., which is in charge of the reverse DNS for 209.85.22.2)
says that there are no PTR records for 209.85.22.2.

To get reverse DNS set up for 209.85.22.2, you need to speak to your Internet provider.  You could also
check with admin@ev1servers.net., who is in charge of the 22.85.209.in-addr.arpa. zone.

Note that all Internet accessible hosts are expected to have a reverse DNS entry (per RFC1912 2.1),
and many mailservers (such as AOL) will likely block E-mail from mailservers with no reverse DNS entry.
To see the reverse DNS traversal, to make sure that all DNS servers are reporting the correct results, you can Click Here.


So the part 'To get reverse DNS set up for 209.85.22.2, you need to speak to your Internet provider. You could also
check with admin@ev1servers.net., who is in charge of the 22.85.209.in-addr.arpa. zone.' Do I fill out a support ticket or is there a form somplace I can fill out?

I searched these forums but it seems the older topics (more than 5 years) have been removed. Please help! icon_smile.gif


Thanks.
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Jeff
post May 20 2007, 05:48 PM
Post #2


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From: Lake Michigan
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If you have an older EV1 server and have access to the servercommand control panel you can set your Reverse RDNS PTR record through servercommand for each of your IP addresses.

If you have an orbit control panel through the planet, you have to put in a dns trouble ticket to request a RDNS record for each of your IP addresses matching the domain, nameserver, or hostname using that IP. It takes an hour or so for them to enter the RDNS entry for you in my experience, but then may take up to 24 hours to propagate among their dns servers so the RDNS entries appear to the rest of the world.


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