1.Login to clientare, Click need setup RDNS server
2.Select need setup RDNS IP Address, Click buttonEdit
3.Input your RDNS domainname, Then Click button Update,Done.If you need to setup RDNS for multiple IP addresses, Repeat the above steps.
Note:
Before setup your RDNS,You Must create A dns record for your Domainname and Point the A record to you want to setup RDNS IP Address.