Sorry I messed UP the arpa names (must be in reverse order vs IPs)

On a DNS server, you should have a 74.14.171.192.in-addr.arpa. zone
then a PTR setting like :
74.14.171.192.in-addr.arpa. 86400 IN PTR mail.imcu.com.


Bertrand

2015-12-07 11:03 GMT-05:00 Bertrand ELLEN-PREVOT <[email protected]>:

> I replied in the other thread but the more I read, the more i'm sure PTR
> records don't belong to domain's zone (by domain I mean imcu.com).
>
> Yes, this means there are "DNS servers" for IP addresses.
>
> When PTR are queried, your client queries Arin to know which DNS server is
> responsible for this IP, then you get the answer from this DNS server (can
> be at ARIN directly for occasional users) :
>
> When querying a PTR, you're not hitting your imcu.com dns server since
> you're querying an IP.
>
> Previously, on your ISP IP's, it was managed by them on their system for
> reverse DNS/PTR.
>
> from :
> http://www.itworld.com/article/2833006/networking/how-to-setup-reverse-dns-and-ptr-records.html
>
> On a DNS server, you should have a 192.171.14.74.in-addr.arpa. zone
> then a PTR setting like :
> 192.171.14.74.in-addr.arpa. 86400 IN PTR mail.imcu.com.
>
> then you'll have to specify at ARIN to use this DNS server for PTR for
> your IP block (Delegation).
>
> Or use their interface if you have few PTR records to setup ("occasional
> user")
> https://www.arin.net/resources/request/reversedns.html
>
> Best
>
> Bertrand
>
> 2015-12-07 9:53 GMT-05:00 David McSpadden <[email protected]>:
>
>> No worries.
>>
>> We purchased a class c.
>>
>> We migrated from our ISP to our own class c addresses.
>>
>> Web Solutions at Fiserv hosts our website and offers DNS management.
>>
>> They are responsible for our DNS updates.
>>
>> Looks to me like they have not removed some PTR’s and have not added some
>> PTR’s.
>>
>> Once I have a clean Zone I’ll let everyone know.
>>
>> And we can see about any other issues that may be out there.
>>
>> What I want to see is this:
>>
>>
>> imcu.com.
>>
>> @                                                            86400
>> IN           SOA pdns206.ultradns.com. bill\.krause.fiserv.com. (
>>
>>
>> 2014081271         ;Serial
>>
>>
>> 10800                    ;Refresh
>>
>>
>> 3600                       ;Retry
>>
>>
>> 2592000                                ;Expire
>>
>>
>> 86400                    ;Minimum
>>
>>
>> )
>>
>> @                                                            86400
>> IN           NS          pdns206.ultradns.org.
>>
>> @                                                            86400
>> IN           NS          pdns206.ultradns.com.
>>
>> @                                                            86400
>> IN           NS          pdns206.ultradns.net.
>>
>> @                                                            86400
>> IN           NS          pdns206.ultradns.biz.
>>
>> @                                                            86400
>> IN           A             12.145.177.146
>>
>> @                                                            86400
>> IN           MX         10 mail.imcu.com.
>>
>> @                                                            86400
>> IN           TXT         "v=spf1 ip4:184.72.242.195 ip4:192.171.14.74 ~all"
>>
>> @                                                            86400
>> IN           TXT         "\"v=spf1 ip4:184.72.242.195 ip4:192.171.14.74
>> ~all\""
>>
>> www                                                     86400
>> IN           A             12.145.177.146
>>
>> mail                                                        600
>> IN           A             192.171.14.74
>>
>> autodiscover                                      600
>> IN           A             192.171.14.74
>>
>> legacymail                                           600
>> IN           A             192.171.14.74
>>
>> outlook                                                600
>> IN           A             192.171.14.74
>>
>> secure                                                  600
>> IN           A             192.171.14.73
>>
>> ftp                                                          600
>> IN           A             192.171.14.72
>>
>> vpn                                                        86400
>> IN           A             38.109.185.130
>>
>> m                                                            86400
>> IN           CNAME ml-http-generic-300922534.us-east-1.elb.amazonaws.com.
>>
>> 74.14.171.192.in-addr.arpa          86400    IN           PTR
>> mail.imcu.com.
>>
>> 72.14.171.192.in-addr.arpa          86400    IN           PTR
>> ftp.imcu.com.
>>
>> 73.14.171.192.in-addr.arpa          86400    IN           PTR
>> secure.imcu.com.
>>
>> 130.185.109.38.in-addr.arpa        86400    IN           PTR
>> VPN.IMCU.COM.
>>
>>
>>
>> But the PTR’s are not there  at all and these old PTR’s are still hanging
>> out there:
>>
>> 193.185.109.38.in-addr.arpa        86400    IN           PTR
>> mail.IMCU.COM.
>>
>> 194.185.109.38.in-addr.arpa        86400    IN           PTR
>> board.IMCU.COM.
>>
>> 196.185.109.38.in-addr.arpa        86400    IN           PTR
>> ftp.IMCU.COM.
>>
>> 193.185.109.38.in-addr.arpa        86400    IN           PTR
>> mx1.IMCU.COM.
>>
>> 206.185.109.38.in-addr.arpa        86400    IN           PTR
>> secure.IMCU.COM.
>>
>>
>>
>> ATT.net, Comcast.net, sbcglobal.net, and Aol.com are all bouncing my
>> outbound email.
>>
>>
>>
>>
>>
>>
>>
>> *From:* [email protected] [mailto:
>> [email protected]] *On Behalf Of *Kennedy, Jim
>> *Sent:* Monday, December 7, 2015 9:44 AM
>>
>> *To:* [email protected]
>> *Subject:* [NTSysADM] RE: ptr records
>>
>>
>>
>> Who owns/controls the IP addresses?  That is who has to do the PTR
>> records.  What is the sending IP address?
>>
>>
>>
>> Sorry, I was out of touch this weekend so I didn’t get through the whole
>> thread of you issue…..
>>
>>
>>
>> *From:* [email protected] [
>> mailto:[email protected] <[email protected]>] *On
>> Behalf Of *David McSpadden
>> *Sent:* Monday, December 7, 2015 9:41 AM
>> *To:* [email protected]
>> *Subject:* [NTSysADM] RE: ptr records
>>
>>
>>
>> It might be since it doesn’t appear that my new PTR records are there.
>>
>> It’s like the company I am using did the A, CNAME, MX records but did not
>> remove the old or add the new.
>>
>>
>>
>>
>>
>> *From:* [email protected] [
>> mailto:[email protected] <[email protected]>] *On
>> Behalf Of *Kennedy, Jim
>> *Sent:* Monday, December 7, 2015 9:37 AM
>> *To:* [email protected]
>> *Subject:* [NTSysADM] RE: ptr records
>>
>>
>>
>> The old PTR records won’t cause this issue.  Consider the process that is
>> happening……
>>
>>
>>
>> You HELO mailout.imcu.com and connect with from 192.168.1.1
>>
>>
>>
>> The receiving server looks at the A record for mailout.imcu.com…it must
>> match 192.168.1.1
>>
>> It then looks at the PTR for 192.168.1.1 it must return mailout.imcu.com
>>
>>
>>
>> They are not looking at your old PTR records, they don’t even know about
>> them anymore.  That isn’t your issue.
>>
>>
>>
>> *From:* [email protected] [
>> mailto:[email protected] <[email protected]>] *On
>> Behalf Of *David McSpadden
>> *Sent:* Monday, December 7, 2015 9:31 AM
>> *To:* [email protected]
>> *Subject:* [NTSysADM] RE: ptr records
>>
>>
>>
>> Or maybe just maybe I need to ask them to show me the old PTR’s we
>> migrated from.
>>
>> Just happened to think this morning that maybe the old PTR’s were out
>> there.
>>
>> They are right there like always.
>>
>> Have asked them to remove the old PTR for the old IP’s.
>>
>> You would think after this many years I would know to ask that type of
>> question.
>>
>>
>>
>>
>>
>> *From:* [email protected] [
>> mailto:[email protected] <[email protected]>] *On
>> Behalf Of *HELP_PC
>> *Sent:* Monday, December 7, 2015 12:50 AM
>> *To:* [email protected]
>> *Subject:* [NTSysADM] RE: ptr records
>>
>>
>>
>> As long as you have a A record recorded for your domain the ISP should
>> have a subsequent PTR record
>>
>>
>>
>> GuidoElia
>> HELPPC-HELPPCSERVICE
>> ------------------------------
>>
>> *Da:* [email protected] [[email protected]]
>> per conto di David McSpadden [[email protected]]
>> *Inviato:* domenica 6 dicembre 2015 17.59
>> *A:* [email protected]; [email protected]
>> *Oggetto:* [NTSysADM] RE: ptr records
>>
>> Thank you all
>>
>> The PTR records are still not out there.
>>
>> Gonna be a busy day Monday.
>>
>>
>>
>> AT&T and Comcast are refusing our traffic.
>>
>>
>> ------------------------------
>>
>> *From:* [email protected] [[email protected]]
>> on behalf of Brian Desmond [[email protected]]
>> *Sent:* Saturday, December 05, 2015 6:17 PM
>> *To:* [email protected]; [email protected]
>> *Subject:* [NTSysADM] RE: ptr records
>>
>> *No, they’re not necessary. *
>>
>>
>>
>> *Thanks,*
>>
>> *Brian Desmond*
>>
>>
>>
>> *w – 312.625.1438 | c – 312.731.3132*
>>
>>
>>
>> *From:* [email protected] [
>> mailto:[email protected] <[email protected]>] *On
>> Behalf Of *David McSpadden
>> *Sent:* Friday, December 4, 2015 1:55 PM
>> *To:* [email protected]; [email protected]
>> *Subject:* [NTSysADM] ptr records
>>
>>
>>
>> Do I need PTR records for Legacymail, outlook, and autodiscover?
>>
>> This e-mail and any files transmitted with it are property of Indiana
>> Members Credit Union, are confidential, and are intended solely for the use
>> of the individual or entity to whom this e-mail is addressed. If you are
>> not one of the named recipient(s) or otherwise have reason to believe that
>> you have received this message in error, please notify the sender and
>> delete this message immediately from your computer. Any other use,
>> retention, dissemination, forwarding, printing, or copying of this email is
>> strictly prohibited.
>>
>>
>>
>> Please consider the environment before printing this email.
>>
>> This e-mail and any files transmitted with it are property of Indiana
>> Members Credit Union, are confidential, and are intended solely for the use
>> of the individual or entity to whom this e-mail is addressed. If you are
>> not one of the named recipient(s) or otherwise have reason to believe that
>> you have received this message in error, please notify the sender and
>> delete this message immediately from your computer. Any other use,
>> retention, dissemination, forwarding, printing, or copying of this email is
>> strictly prohibited.
>>
>>
>>
>> Please consider the environment before printing this email.
>>
>> This e-mail and any files transmitted with it are property of Indiana
>> Members Credit Union, are confidential, and are intended solely for the use
>> of the individual or entity to whom this e-mail is addressed. If you are
>> not one of the named recipient(s) or otherwise have reason to believe that
>> you have received this message in error, please notify the sender and
>> delete this message immediately from your computer. Any other use,
>> retention, dissemination, forwarding, printing, or copying of this email is
>> strictly prohibited.
>>
>>
>>
>> Please consider the environment before printing this email.
>>
>> This e-mail and any files transmitted with it are property of Indiana
>> Members Credit Union, are confidential, and are intended solely for the use
>> of the individual or entity to whom this e-mail is addressed. If you are
>> not one of the named recipient(s) or otherwise have reason to believe that
>> you have received this message in error, please notify the sender and
>> delete this message immediately from your computer. Any other use,
>> retention, dissemination, forwarding, printing, or copying of this email is
>> strictly prohibited.
>>
>>
>>
>> Please consider the environment before printing this email.
>>
>> This e-mail and any files transmitted with it are property of Indiana
>> Members Credit Union, are confidential, and are intended solely for the use
>> of the individual or entity to whom this e-mail is addressed. If you are
>> not one of the named recipient(s) or otherwise have reason to believe that
>> you have received this message in error, please notify the sender and
>> delete this message immediately from your computer. Any other use,
>> retention, dissemination, forwarding, printing, or copying of this email is
>> strictly prohibited.
>>
>> Please consider the environment before printing this email.
>>
>
>

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