Find interface name:
netsh interface show interface
Set the DNS server:
netsh interface ipv4 add dnsserver "LAN-verbinding" address=8.8.8.8 index=1 netsh interface ipv4 add dnsserver "LAN-verbinding" address=1.1.1.1 index=2
Find interface name:
netsh interface show interface
netsh interface ipv4 add dnsserver "LAN-verbinding" address=8.8.8.8 index=1 netsh interface ipv4 add dnsserver "LAN-verbinding" address=1.1.1.1 index=2