How to Fix Reverse DNS?

Reindl Harald h.reindl at thelounge.net
Tue Sep 22 19:21:35 UTC 2015


- you just
+ you just *do not*

Am 22.09.2015 um 21:20 schrieb Reindl Harald:
> you jsut control the reverse DNS until the ISP/Provider who owns the
> network delegates the PTR zone to your namsservers - that's it
>
> Am 22.09.2015 um 21:08 schrieb Ron Wingfield:
>> RE:  BIND v9.10.2
>>
>> I have recently converted from a "legacy" DSL service to AT&T's U-verse
>> . . .has been a painful experience. Heretofore, the following from
>> /var/named/named.conf
>>
>>     zone "233.202.162.in-addr.arpa" {
>>              type master;
>>              file "./zonefiles/db.233.202.162.rev";
>>     };
>>
>>
>> . . .and the contents of the zone configuration file as follows:
>>
>>     $TTL 3h
>>
>>     @ IN      SOA  archaxis.net.   root.archaxis.net. (
>>     2015080601    ; Serial
>>     3h      ; Refresh
>>     1h      ; Retry
>>     1w      ; Expire
>>     1h )    ; Negative cashing TTL
>>
>>              IN NS   ns1.archaxis.net.
>>              IN NS   ns2.archaxis.net.
>>
>>     1       IN PTR archaxis.net.
>>     1       IN PTR ns1.archaxis.net.
>>     1       IN PTR ns2.archaxis.net.
>>
>>
>> AT&T (in all of their surliness) is rejecting email from my SMTP
>> (SendMail) server and issuing the following typical complaint:
>>
>>         ----- The following addresses had permanent fatal errors -----
>>     </addressee-changed/@sbcglobal.net>
>>          (reason: 550 5.7.1 Connections not accepted from servers
>> without a valid sender domain.alph161 Fix reverse DNS for 162.202.233.81)
>>
>>         ----- Transcript of session follows -----
>>     ... while talking to al-ip4-mx-vip1.prodigy.net.:
>>
>>>>>     MAIL From:<Ron.Wingfield at Archaxis.net>
>>
>>     <<< 550 5.7.1 Connections not accepted from servers without a
>> valid sender domain.alph161 Fix reverse DNS for 162.202.233.81
>>     554 5.0.0 Service unavailable
>>
>>
>> I am at a loss for resolution of this problem.   How am I supposed to
>> "Fix reverse DNS"?  The configuration scenario previously worked since
>> 2002.  Can someone suggest a fix?

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