Need help with reverse zone record

Michael Varre bind9 at kishmish.com
Wed Aug 25 18:45:35 UTC 2004


 
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> -----Original Message-----
> From: bind-users-bounce at isc.org 
> [mailto:bind-users-bounce at isc.org] On Behalf Of Chris Fortune
> Sent: Wednesday, August 25, 2004 2:51 AM
> To: comp-protocols-dns-bind at isc.org
> Subject: Need help with reverse zone record
> 
> Well, here is my problem: bounced mail
> My main IP for the server is 69.56.237.82, and all mail 
> appears to come from that IP address
> 
> SMTP error from remote mailer after initial connection:
>     host mx02.sccoast.net [66.153.203.185]: 550 Reverse DNS 
> lookup failed for host 69.56.237.82

Reverse lookup seems to be working for these ips.  One possility is
that the receiving mail server is trying to match a forward A record
with the reverse PTR for 69.56.237.82.  if mail is in fact coming
from 69.56.237.82, some receiving smtp servers will deny a connection
from it because there is not forward A record for spameater.com that
points to 69.56.237.82.

Just a guess
mv

> 
> Reverse lookup doesn't match!
> #nslookup 69.56.237.82          spameater.com
> #nslookup spameater.com       69.56.237.84
> 
> Same problem for all domains on this server that are not 
> 69.56.237.82 My host company is staffed by people who don't 
> know anything about DNS, but they can install zone records ok.
> Can anybody help me create a zone record and reverse zone 
> record which I can send to my hosting company?
> 
> 
> Below is the CURRENT zone file for this domain.
> 
> $TTL 86400
> @                        IN SOA   spameater.com. 
> support.spameater.com. (
>                                   2003112104     ; serial
> LAST:cchin 
>                                   900            ; refresh period
>                                   900            ; retry period
>                                   1209600        ; expire period
>                                   86400)         ; minimum TTL
> period  
> 
> spameater.com.           IN NS    ns1.theplanet.com.
> spameater.com.           IN NS    ns2.theplanet.com.
> spameater.com.           IN MX    10 mail
> spameater.com.           IN A     69.56.237.84
> www                      IN A     69.56.237.84
> ftp                      IN A     69.56.237.84
> mail                     IN A     69.56.237.84
> fortune01                IN A     69.56.237.82
> 
> 
> 
> Here is the ouput of #dig spameater.com, which should provide 
> a good start to a reverse zone record for somebody (maybe 
> you?) who knows what they are doing.
> 
> # dig spameater.com
> 
> ; <<>> DiG 9.2.1 <<>> spameater.com
> ;; global options:  printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 3808 ;; 
> flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL:
> 0  
> 
> ;; QUESTION SECTION:
> ;spameater.com.                 IN      A
> 
> ;; ANSWER SECTION:
> spameater.com.          14400   IN      A       69.56.237.84
> 
> ;; AUTHORITY SECTION:
> spameater.com.          14400   IN      NS
> 216.234.234.30.spameater.com.
> spameater.com.          14400   IN      NS      
> 12.96.160.115.spameater.com.
> 
> ;; Query time: 35 msec
> ;; SERVER: 127.0.0.1#53(127.0.0.1)
> ;; WHEN: Wed Aug 25 01:37:01 2004
> ;; MSG SIZE  rcvd: 104
> 
> 
> something like this?
> 
> spameater.com.          14400   IN      A       69.56.237.82
> spameater.com.          14400   IN      PTR 
> 82.237.56.69.IN-ADDR.ARPA  
> 
> but where does it go?, and can I have more than one A record 
> for spameater.com?  help!
> 
> 
> 
> 

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