Reverse dns records

[Leno]

Howdy

We had our 2 neobroadband fiber lines finally installed Thursday (2x1mbit to test before upping them)

The first thing i noticed is that the assigned ip addresses do not have any reverse dns records...
ie I cannot send mail to anyone as most mail servers bounce hosts that do not have reverse dns set

Emailed enterprise support Thursday evening, got a prompt reply that someone is working
on the issue, then nothing.

Emailed back Friday asking whats happening, no reply

A process that should take 5-10 mins is now on its 3rd day

Anyone else on the neobroadband fiber have issues with reverse dns?

 

[kilos]

Setup your own DNS entries for your Email server (A, PTR, MX record)using zoneedit.com DNS server
dig -x 196.25.1.1 (example)
1.1.25.196.in-addr.arpa. 17336 IN PTR igubu.saix.net.

Neotel donot populate the PTR entry in their DNS server
Tried a few Neotel Fiber IP if I do the following
#dig -x 41.162.18.39
;39.18.162.41.in-addr.arpa. IN PTR ????

http://www.emailquestions.com/mail-server-support/836-dns-mx-records-reverse-dns-mail-servers.html

Check using this tool if you do not have dig
http://www.mxtoolbox.com/

 

[Leno]

you cannot setup your own dns entries for reverse dns

neotel's dns will be queried for the reverse dns, this is specified at Afrinic etc

here is the dig on the range of ip's showing neotel servers as authoritive


dd$ dig 165.41.in-addr.arpa NS

; <<>> DiG 9.7.3 <<>> 165.41.in-addr.arpa NS
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 22257
;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 5

;; QUESTION SECTION:
;165.41.in-addr.arpa. IN NS

;; ANSWER SECTION:
165.41.in-addr.arpa. 14400 IN NS ns0.neotel.co.za.
165.41.in-addr.arpa. 14400 IN NS ns2.neotel.co.za.
165.41.in-addr.arpa. 14400 IN NS ns4.neotel.co.za.
165.41.in-addr.arpa. 14400 IN NS ns3.neotelza.net.
165.41.in-addr.arpa. 14400 IN NS ns1.neotelza.net.

;; ADDITIONAL SECTION:
ns2.neotel.co.za. 21083 IN A 41.160.128.4
ns4.neotel.co.za. 13911 IN A 41.168.1.250
ns3.neotelza.net. 4387 IN A 41.164.0.4
ns1.neotelza.net. 5341 IN A 41.160.0.5
ns0.neotel.co.za. 25790 IN A 41.160.0.4


they did eventually change the reverse dns though

 

[kilos]

Thanks for the explanation