Add rDNS records for external VPS IP?

[zaisty]

My account name is zaisty on Tommy, main domain is bladerunner.top.
I have a question/request (if this is possible):

Add rDNS records for my external VPS IP: 45.156.84.85
And add subdomain for it: files.bladerunner.top

On my VPS it's look like this:



If all this is possible please do that.
Thank You.

[MoneyBroz]

This support request is being escalated to our root admins.