NS Names doesn't work on my domain in "registro.br".

When I create a new account in infinityfree using my own domain, I got this message: “Your domain’s nameservers are not valid. Change your nameservers to ns1.byet.org, ns2…”.

Now, when I try to put this nsnames on my domain, I received this message:
Servidor DNS Master: Query refused
Servidor DNS Slave 1: Query refused
Servidor DNS Slave 2: Query refused

Some one could help me? Thanks…

You need to configure the nameservers for your domain name, or you will not be able to add the domain name to your account. Your registrar MUST set the nameservers for your domain name before we can configure the nameservers to resolve your domain name.

See this topic first if you have more questions: https://forum.infinityfree.com/discussion/comment/5473