rDNS/PTR = FAILED, check with your hosting provider!

[johnny09]

Everything was fine, but now it is failed

rDNS/PTR = FAILED, check with your hosting provider!

I have a PTR record set up at ISP
I have a MX record at cloud flare were the domain is set up

Read all the forum about similar issues, but no ideas how to fix this.

Ideas, solutions, fix? 

[24x7servermanagement]

Must be DNS issue on your CentOS panel, check these links :-

http://forum.centos-webpanel.com/dns/weird-issue-with-rdnsptr-in-control-panel/
http://forum.centos-webpanel.com/dns/rdnsptr-failed-for-hostname/

[johnny09]

Thats not it, but I found a solution.

Who admin can change Free DNS Manager users username? I have created a username like the domain name, want to add it, but get A general error has occurred. Reason: The zone already exists in the database.    Or maybe delete the user, will create a new one and add domains once more.... help   

[johnny09]

Any help about Free DNS Manager user? Is it possible to delete the user?