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Reverse DNS (PTR) for Email

We are hosting our website (http://www.redappleapartments.com) with a hosting company in Sweden. And we are using godaddy as our email provider. So, our smtp servers are smtp.europe.secureserver.net ...
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1answer
50 views

Dns filezone setup with mx and spf

I am trying to create a mail server. I bought the domain mastermails.info on godaddy.com. I am struggling with the setup of DNS. Whenever I change something in the MX record to make my server ...
4
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2answers
1k views

Are PTR records added only by the ISPs that provide and manage the IPs?

I checked out with my DNS provider to change the PTR records: Dear Sir, We can not modify the PTR records of the IP addresses that you provided, because these IP addresses are not managed ...
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1answer
79 views

Do reverse entries for name-server, need to match the mailserver name?

I need to setup PTR for a domain and lets say my domain is domain.com and I have my email addresses like email.address@domain.com. I came over this mailing-list article that says: The reverse ...
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1answer
424 views

What steps to do to set the DNS PTR record, is the IP in reverse in the name needed?

I had the following error: <xxxxxxxxxxxxxxxx@xxxxxxxxxxxx.de>: host yyyyyyyyyyyy.yyyyyyyyyyyyy.de[33.33.33.33] refused to talk to me: yyyyyyyyyyyy.yyyyyyyyyyyyy.de (mxeue106) Nemesis ESMTP ...
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1answer
28 views

Setting Up PTR to correct “Forged hostname” error

Our e-mails mostly get through fine, but here's an error I haven't seen before. Diagnostic-Code: smtp;550 5.7.1 ... Forged hostname for 66.132.221.45 >which resolves as www.medialabinc.net but ...
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1answer
53 views

How to add PTR record in my DNS? [closed]

Im trying to add a PTR record but the option is not available. The only options I have are listed in the image below. Which record type do I have to use to add PTR record?
0
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1answer
19 views

Google gmail block for no ptr of 4to6 ip address

When mail server got only ipv4 address and enabled 4to6 interface, gmail server block mail because of no ptr record of 4to6 address. Why...? Isn't 4to6 address not global standard...?
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1answer
296 views

hotmail doesn't accept my emails

I have installed and configure postfix as a mail server in ubuntu 12.04. I can send emails to gmail with no problem but I can't send them to hotmail when i enter in putty dig @ns1glr.name.com ...
0
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1answer
87 views

PTR record not valid for all domains

We have an issue sending emails to certain domains, namely Time Warner and Cox. Last week, we decommissioned our Exchange 2003 server and now our Exchange 2010 server is doing all of the transport for ...
1
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2answers
56 views

Assist in diagnosing reverse dns mismatch

We seem to have an occasional issue, whereby mail is bypassing our first three MX records, and going to our 4th MX record. This is purely a backup, and we think that the reason it is skipping the ...
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1answer
333 views

issue involving ptr record when sending email on digital ocean server

The Issue We have a website that sends email using php mail function and sendmail. We frequently get email rejected response emails from several destination email servers saying that we have an issue ...
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0answers
48 views

BIND9: How to forward to another DNS specific reverse lookup

I'm trying to fix one issue with my DNS but can't find information for how to do it. I have few separate DNS with different zones. Primary DNS handle quite good with local domanin but should also ...
5
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2answers
127 views

How to determine which DNS server has the authority to set rDNS (PTR records)?

or to re-phrase... How to determine to whom authority has been delegated to set rDNS? Background In a multi-tier environment, where a block of IP's is assigned, then further split and assigned ...
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2answers
64 views

PTR record only added on IP owner side? no in DNS Zone files?

i wanted to add PTR record, to my domain so the reverse IP is in PTR points to my nameserver. So on my hosting IP provider i set my nameserver for the IP and it now shows in PTR (i used this ...
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2answers
2k views

Gmail does not accept mail from a new server

I am setting up a new server and discovered that Gmail does not accept emails from this server. I checked Exim logfiles and found the following: Our system has detected that this\n550-5.7.1 message ...
2
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1answer
143 views

How to match PTR record with a different domain?

I am a bit confused about PTR records and how to set it up correctly. This is the current setup: A website: domain.com, on this website I have a mailaddress info@domain.com. On domain.com I have an ...
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2answers
104 views

pointing different records to a CNAME record

I am trying to figure out the following and want to know "why" this is or is not possible. 1) May an MX record “point to” a CNAME record? 2) May a CNAME record “point to” a CNAME record? 3) May an ...
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1answer
47 views

rDNS entry on a separate name server from forward dns - is this okay?

Our reverse DNS lookup is delegated to our name server (ns.example1.com) by AT&T, who leases us our IP address (1.2.3.4) and our forward DNS lookups were on the same name server (ns.example1.com). ...
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2answers
272 views

delegating /24 and /64 reverse zones

I'm sure I'm overlooking something so simple, but I'm just not seeing it... I'm trying to delegate the /24 and /64 reverse zones for our Test network to hosts within the Test network. I'm seeing the ...
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1answer
200 views

How to Prevent email going to Spam [closed]

I have changed web hosting from hostgator to servermania. I setup my email using ISPConfig 3 control panel. Now, my email was flag as spam by gmail. When I test my email using test@allaboutspam.com, ...
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1answer
104 views

rDNS setup to prevent emails appearing as spam / phishing messages

We are trying to send email without the email appearing in the spam folder. The emails that we are sending is solicited bulk email. The main problem is that the emails are appearing as phishing ...
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2answers
194 views

which one is best for PTR record: domain or hostname

I have a VPS with the following IP: 82.197.45.124 domain: example.com hostname: server.example.com PTR record: 82.197.45.124 > server.example.com There is no an "A" record for "server" ...
2
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2answers
157 views

A and PTR records and redundant Internet connections

Want to set up PTR record(s) to handle the following: Site with mail server (Exchange 2010) has three Internet connections, with the firewall handling load balancing. I know that if the Internet ...
1
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1answer
53 views

Postfix sending emails via multiple broadband lines

I have a site that send out emails from a postfix server. They have multiple broadband lines for load balancing and failover. I want them to be able to send out emails though both lines without the ...
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5answers
11k views

SMTP Reverse DNS Mismatch

My dedicated server ns382087.ovh.net resolves to 46.105.98.72 and hosts multiple domain with several dedicated IP addresses. Each new IP address is added to /etc/network/interfaces Among them, the ...
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2answers
2k views

How do I set up a reverse zone file?

I have this zone file in bind: $TTL 86400 mysite.net. IN SOA ns1.mysite.net. admin.mysite.net. ( 2006012008 86400 3600 604800 86400 ) ...
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2answers
402 views

Reverse DNS / PTR with Fasthosts shared hosting enviroment

I'm not that clued up on all aspects of DNS so apologies if this is a stupid question of sorts. Basically I have a VPS with one provider(Xeneurope) and the domain names with another(Fasthosts). Not ...
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1answer
461 views

Windows 7 PTR records with Cisco DHCP server

I would like to have my windows 7 clients register their own PTR records since I use a Cisco DHCP servers. DNS is Active Directory integrated. How can I go about doing so without setting up a ...
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1answer
264 views

does ping command to a dns name uses DNS PTR type messages?

Okay I cant understand this, when I try to ping to a machine on my network using the name associated I get a response from that machine, thats normal.. But there are messages that the sender sends to ...
0
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1answer
392 views

Is it safe to use ptr in SPF?

Suppose you have the domain yourdomain.com, and you have set the following SPF: v=spf1 +ptr:yourdomain.com ~all Now, I have the IP address 1.2.3.4, and I am also the administrator of ...
2
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1answer
136 views

PTR record needed? Where?

I have a problem which I think can be resolved by adding a ptr record. Email isn't working for xx@domain_a.com. I looked up the smtp issues on mxtoolbox.com which returned the following: SMTP Reverse ...
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1answer
103 views

Will PTR records for IP's that relay mail?

I am having some spam issues with my mail server. I have multiple servers that are relaying mail through my mail server. I am wanting to know if PTR records for these servers will have any effect ...
0
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1answer
139 views

Forward PTR request if not found

I am attempting to find a way to forward PTR request, if not found in local master zones. I'm transitioning a network from one domain (and dns servers) to another, which is easy for A records - but a ...
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1answer
39 views

ptr records for mulitple vhosts (www and mail)

My IP address is shared between my webserver and mail server: www.example.com A 123.123.123.123 mail.example.com A 123.123.123.123 Setting up a PTR record for mail affected both of my mail and web ...
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2answers
465 views

PTR and A record must match?

RFC 1912 Section 2.1 states the following: Make sure your PTR and A records match. For every IP address, there should be a matching PTR record in the in-addr.arpa domain. If a host is ...
0
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0answers
35 views

rDNS records changed to point to .tk domains. why? [duplicate]

Possible Duplicate: My server's been hacked EMERGENCY I was having trouble reaching our plesk control panel on our mediatemple dv. In the process of trying to figure out why I saw that ...
0
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2answers
255 views

PTR records for mail server

If the domain for our outbound emails is mail.example.com and the MX records (mail servers) for this domain are: mail1.example.com and mail2.example.com what's the prpoer PTR records in this case: ...
0
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2answers
813 views

Reverse dns how to setup ptr record?

For my own mailserver I now have to setup PTR records for the reverse DNS. My question is in which fields do I put what? For example my ip is 123.234.55.62 and domain mydomain.com (with mailserver ...
2
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1answer
1k views

My ISP set up a PTR record for my mail server, but some places aren't seeing it

I have a VPS running Windows 2008 server with plesk 9, which I am using for email. I asked to my ISP to add a PTR record, which they did but my mails still droping into spam box. I have checked ...
2
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1answer
78 views

$GENERATE'd records competing with real PTR records

I have a zone (1.168.192.IN-ADDR.ARPA) $GENERATEing PTR records from 1-254. However, I also have some custom PTR records, within that range, that are declared aside from the generate directive. ...
0
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1answer
175 views

PTR Record for host in VLSM subnet

I understand that this is the way a PTR record would be made on a Class A subnet (10.100.250.100 255.0.0.0) dnscmd /RecordAdd 10.in-addr.arpa. 100.250.100 PTR host.domain.tld To clarify the syntax, ...
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3answers
2k views

Hotmail wants me to modify my SPF record

This is my current SPF record. It works well with gmail and yahoo but hotmail was ignoring. So i used their submit system and now they replied me with the text below. This is my current spf v=spf1 a ...
0
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3answers
620 views

DNS A and PTR records

I tried doing some research but didn't find what I was looking. I have server (win2k8fs1). It is a static assigned IP and has an A record 192.168.x.x with the associated PTR record. Setup: a: ...
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1answer
1k views

how solve ERROR: No reverse DNS (PTR) entries. The error MX records are:

i have remote access to my windows server 2008 r2(DNS-IIS-FTP-MAIL), please see the link below for my web site : http://www.intodns.com/polyafzar.com how can i fix the error below in my server : ...
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2answers
7k views

How should I set up my PTR Record?

I am trying to properly set up my ptr record as I have noticed that some email notifications sent from my website have gone to spam for certian people, and I am having trouble figuring out exactly ...
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6answers
1k views

Does a PTR record prove anything about the sender's email domain?

My outgoing mail server has problems reaching some recipients. This happened after we changed ISP for our dedicated IP address. I think it might be due to PTR records, but I cannot be sure. My ...
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1answer
191 views

Where did dedicated.abac.net. come from in my rDNS and PTR records?

So I followed this guide to the letter: http://docs.cpanel.net/twiki/bin/view/AllDocumentation/WHMDocs/RdnsForBind I did so for 3 domains. When I "test" the records and enter: host 64.150.176.81 on ...
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1answer
190 views

One server, one external IP, several virtual domains --> one PTR?

I've got some problem with ptr and domains. Here is situation: external ip: 123.123.123.132 domain1: example.com domain2: elpmaxe.net mailserver is on exim4. PTR 123.123.123.123 matches example.com ...
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2answers
1k views

How to add PTR record for a /16 IP block in BIND using $GENERATE directive?

I'm trying to reverse map a block of IP using PTR record to some special name so their usage can be easily reflected by a simple nslookup. For example, here's a nslookup result: # nslookup ...