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Old 09-30-2014, 02:53 AM   #1
AgLiAn
LQ Newbie
 
Registered: Jun 2014
Posts: 4

Rep: Reputation: Disabled
ERROR: No reverse DNS (PTR) entries. The problem MX records are:


Hi.

Domain: sindla.com
Server IP: 188.165.197.217

When I check the domain with intodns.com, I get this error:

Code:
Reverse MX A records (PTR)	ERROR: No reverse DNS (PTR) entries. The problem MX records are: 
26.176.233.64.in-addr.arpa -> no reverse (PTR) detected
You should contact your ISP and ask him to add a PTR record for your ips
Google verification: https://toolbox.googleapps.com/apps/...ain=sindla.com

Also, if I send emails to office \at\ sindla /dot/ com , I get none of them.

Please, can you help me and tell me what I am doing wrong?

Thanks.
There are my server configuration

/etc/named.conf
Code:
// named.conf
//
// Provided by Red Hat bind package to configure the ISC BIND named(8) DNS
// server as a caching only nameserver (as a localhost DNS resolver only).
//
// See /usr/share/doc/bind*/sample/ for example named configuration files.
//

acl "trusted" {
	127.0.0.1;
	188.165.197.217;
	192.99.247.246;
	localhost;
	localnets;
 };
 
options {
	directory "/var/named";
	listen-on port 53 { trusted; };
	allow-query     { any; };


	allow-transfer { trusted; };
	allow-recursion { trusted; };
	allow-query-cache { trusted; };
	allow-update { none; };
	version none;
	hostname none;
	server-id none;
};


logging {
        channel update_debug {
			file "/var/log/named/named_update.log";
			severity debug 5;
			print-time yes;
			print-severity yes;
			print-category yes;
        };

        channel security_info {
			file "/var/log/named/named_auth.log";
			severity notice;
			print-time yes;
			print-severity yes;
			print-category yes;
        };

        channel info {
			file "/var/log/named/named_info.log";
			severity info;
			print-time yes;
			print-severity yes;
			print-category yes;
        };

	category update { update_debug; };
	category security { security_info; };
	category queries { info; };
};


include "named.conf.primary";
include "named.conf.slave";

/var/named/named.conf.primary
Code:
//
// PRIMARY ZONES
//

zone "." in {
    type hint;
    file "named.ca";
};

zone "0.0.127.in-addr.arpa" in {
	type master;
	file "named.localhost";
	allow-transfer { any; };
};

zone "217.197.165.188.in-addr.arpa" in {
	type master;
	file "188.165.197.217.db";
	allow-transfer { any; };
};

zone "sindla.com" in {
	type master;
	file "primary/sindla.com.db";
	notify yes;
	allow-transfer { 188.165.197.217; };
};

/var/named/primary/sindla.com.db
Code:
$TTL 604800
@	14440	IN	SOA	ns1.sindla.com. admin.sindla.com. (
	2014091807	; SOA Serial		:	Serial YYYYMMDDXX
	7200		; SOA REFRESH		:	Refresh (2 hours)
	900			; SOA RETRY			:	Retry (2 hours)
	604800		; SOA EXPIRE		:	Expire (1 day)
	3600)		; SOA MINIMUM TTL	:	Minimum

sindla.com.		86400	IN	NS	ns1.sindla.com.
sindla.com.		86400	IN	NS	ns2.sindla.com.

;
; Name servers (The name @ is implied)
;
@		86400	IN	NS	ns1.sindla.com.
@		86400	IN	NS	ns2.sindla.com.


;
; Addresses for the canonical names
;
localhost       IN      A       127.0.0.1
sindla.com.		IN		A		188.165.197.217
ns1				IN		A		188.165.197.217
ns2				IN		A		188.165.197.217
www				IN		CNAME	sindla.com.

;
; MX Records
;
sindla.com.	IN	MX	1	ASPMX.L.GOOGLE.COM.
sindla.com.	IN	MX	5	ALT1.ASPMX.L.GOOGLE.COM.
sindla.com.	IN	MX	5	ALT2.ASPMX.L.GOOGLE.COM.
sindla.com.	IN	MX	10	ALT3.ASPMX.L.GOOGLE.COM.
sindla.com.	IN	MX	10	ALT4.ASPMX.L.GOOGLE.COM.
sindla.com.	IN	TXT	"v=spf1 include:_spf.google.com ~all"

Last edited by AgLiAn; 09-30-2014 at 03:10 AM.
 
Old 09-30-2014, 06:03 AM   #2
bathory
LQ Guru
 
Registered: Jun 2004
Location: Piraeus
Distribution: Slackware
Posts: 13,170
Blog Entries: 1

Rep: Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038
Quote:
When I check the domain with intodns.com, I get this error:

Reverse MX A records (PTR) ERROR: No reverse DNS (PTR) entries. The problem MX records are:
26.176.233.64.in-addr.arpa -> no reverse (PTR) detected
You should contact your ISP and ask him to add a PTR record for your ips
According to the zone file posted and intodns.com output, your MX records point to some google mailservers.
So if you want the one with the 64.233.176.26 IP, to have a PTR record, you should tell it to google.

Regards
 
Old 09-30-2014, 07:11 AM   #3
AgLiAn
LQ Newbie
 
Registered: Jun 2014
Posts: 4

Original Poster
Rep: Reputation: Disabled
http://www.intodns.com/google.com

WTF. Seems to be a google issue there?
 
Old 09-30-2014, 07:52 AM   #4
bathory
LQ Guru
 
Registered: Jun 2004
Location: Piraeus
Distribution: Slackware
Posts: 13,170
Blog Entries: 1

Rep: Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038
Quote:
Originally Posted by AgLiAn View Post
http://www.intodns.com/google.com

WTF. Seems to be a google issue there?
Of course it is.
You're using google mailservers as MX records for your domain
 
Old 09-30-2014, 09:45 AM   #5
AgLiAn
LQ Newbie
 
Registered: Jun 2014
Posts: 4

Original Poster
Rep: Reputation: Disabled
So, there is no resolution for this error?
 
Old 09-30-2014, 03:04 PM   #6
bathory
LQ Guru
 
Registered: Jun 2004
Location: Piraeus
Distribution: Slackware
Posts: 13,170
Blog Entries: 1

Rep: Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038Reputation: 2038
Quote:
Originally Posted by AgLiAn View Post
So, there is no resolution for this error?
You may contact google and tell them to fix this "error", especially if you're paying for their email service
 
  


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