How to fix in dns after changing RODC Server name

Hi All,

I have a case like this, one of my partner had change one of of my RODC server name in manually, so I saw in my DNS record there are 2 records now which is the new one and the old one. I had demote this RODC and succesfull but in my DNS the old record or this rodc still there. how do I to clean this DNS configuration correctly.

Thanks and Regards

Mangapuly