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Topics - Jefferson Felix

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DNS / rDNS/PTR Failed for hostname
« on: July 28, 2017, 01:50:09 PM »
I have an issue with rDNS/PTR in CWP.
When I go to Server Settings -> Change Hostname, or Email -> MailServer Manager, I receive the follow message:

Your Hostname is: srv1.mydomain.com and it resolves to IP: mydomain.com. 10.20.30.40 [Check Black List]
rDNS/PTR = FAILED, check with your hosting provider! FAILED [Check SenderBase]


(domain name and IP changed)

When I check my DNS records for mydomain.com (DNS Functions -> List DNS Zones -> [mydomain.com.db] Check Records), I get this result:

rDNS/PTR record check: SUCCESS
rDNS/PTR = srv1.mydomain.com
rDNS A record = 10.20.30.40 [Check SenderBase] [Check RBL]



The content of mydomain.com.db (domain name and ip changed):

Code: [Select]
; Panel %version%
; Zone file for mydomain.com
$TTL 14400
mydomain.com.      86400        IN      SOA     ns1.mydomain.com. user.email.com. (
         2013071601      ; serial, todays date+todays
                86400           ; refresh, seconds
          7200            ; retry, seconds
            3600000         ; expire, seconds
           86400 )         ; minimum, seconds

mydomain.com. 86400 IN NS ns1.mydomain.com.
mydomain.com. 86400 IN NS ns2.mydomain.com.

mydomain.com. IN A 10.20.30.40
srv1.mydomain.com. IN A 10.20.30.40

localhost.mydomain.com. IN A 127.0.0.1

mydomain.com. IN MX 0 srv1.mydomain.com.

www IN CNAME mydomain.com.
ftp IN CNAME mydomain.com.

; Add additional settings below this line
default._domainkey 14400 IN TXT "v=DKIM1; k=rsa; p=MIGf..."

ns1     14400   IN      A       10.20.30.40
ns2     14400   IN      A       20.30.40.50

mydomain.com. IN TXT "v=spf1 mx a"
_dmarc.mydomain.com. IN TXT "v=DMARC1; p=none; rua=mailto:webmaster@mydomain.com"


Finally, cat /etc/hostname results in:
srv1.mydomain.com

There are something wrong in my dns configuration?

2
Dear,

I did a fresh install of CentOS 7 minimal and CWP on an Amazon EC2 instance. The instance has a private IP (172.16.x.x) and a public IP (34.230.x.x). The CWP install defined the private IP as the server IP, that is showed in the client panel.

For convenience, it should be display the shared IP, not the private IP, because the client doesn't access the server from the private IP. How can I change this information on panel, or how can I set Server IP as shared IP?

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