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PTR question

Posted on 2006-11-16
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Last Modified: 2010-03-06
How do I knwo if my PTR record wa put into place correctly?  Verizon said they did it but my client is still getting emails bounced back for reasons which elude me to think this wasn't done properly.

Wes
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Question by:hmcnasty
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5 Comments
 
LVL 39

Expert Comment

by:redseatechnologies
ID: 17960543
Hi hmcnasty,

There are online tests;

http://www.dnsreport.com
http://www.dnsstuff.com

You could also give us the domain and we can test it for you

Hope that helps,

-red
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Author Comment

by:hmcnasty
ID: 17960556
ok ...

The A record is mail.bgcworcester.org

Internally it is bgcworcester.local

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Accepted Solution

by:
redseatechnologies earned 500 total points
ID: 17960704
Looks fine;

"OK. The IPs of all of your mail server(s) have reverse DNS (PTR) entries. RFC1912 2.1 says you should have a reverse DNS for all your mail servers. It is strongly urged that you have them, as many mailservers will not accept mail from mailservers with no reverse DNS entry. Note that this information is cached, so if you changed it recently, it will not be reflected here (see the www.DNSstuff.com Reverse DNS Tool for the current data). The reverse DNS entries are:

239.73.72.72.in-addr.arpa mail.bgcworcester.org. [TTL=86400]"

(from http://www.dnsreport.com/tools/dnsreport.ch?domain=bgcworcester.org)

-red
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Author Comment

by:hmcnasty
ID: 17960925
Thanks
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LVL 39

Expert Comment

by:redseatechnologies
ID: 17960975
No problems
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