I have a Windows 2008 R2 DNS server and need to create a PTR in my reverse zone. My ISP has already delegated the reverse zone for me to manage it.
The IP block assigned from my ISP is:
I have found on some websites that when creating the reverse zone, instead of the "/" I should use "-", in others say I should use "_". I have tried both and it is not working.
I have tried public tests from dnsstuff.com and mxtoolbox.com and both report that I have no PTR records.
Please if I can get some step by step information on how to create the zone name correctly, so then I can add the PTR records. I am attaching 2 screenshots for some of you guys to confirm the information I am writing. I am guessing that the error is on the screenshot # 2 (2.jpg) is where is my mistake is made.
If so, how should I correctly write the zone name?
A lot of outgoing emails are being rejected because there is no PTR defined.