Connect Domanin to VIrtualmin (ROTLD) (DNS Server)

SYSTEM INFORMATION
OS type and version: Ubuntu 18.04.5 LTS (GNU/Linux 4.15.0-147-generic x86_64)
Webmin version: 1.981
Virtualmin version: 6.17-3

Hi, i have a dedicated server and i have my main webiste www.domain.ro and the panel to www.domain.ro:10000, now i have a domain from ROTLD a romanian TLD, and i cant connect the domain to the server.

With this settings from Creaza/Modifica/Sterge that means Create/Modify/Delete nameservers:
ns1.domanin.ro to my dedicated server ip
ns2.domanin.ro to my dedicated server ip

Any help please on how to conect this to virtualmin i tryed everything i knew.