Windows 11 host on my network shows two ip address in nslookup

[Meg]

Hello: I replaced one of my computers on the network with a new one. It has the same computer name and user name as the old one. In ISC DHCPv4 I replaced the MAC address of that client with the MAC address of the new nic. The new PC got assigned the IP address expected. Then I noticed some problems with networking and rdp. When I ran a nslookup of the host name it shows the network static assigned network address and the address of another pc on my network. I am using unbound as a recursive server with adguard home. I cannot seem to resolve this problem. Does anyone have any idea what could be causing this problem and how to resolve it.
Thanks