strange problem with dns

help me solve this problem.

the main domain xxxxx.com.br does not access, does not propagate, nor does it allow ssl
Error https://www.whatsmydns.net/#NS/ronaldomoraesbarbosa.xyz

the ns.xxxxx.com.br that yes is normal, access and everything, including adding domains using this ns1 and ns2 and everything is
Test https://www.whatsmydns.net/#NS/ns1.ronaldomoraesbarbosa.xyz


Ok, what can it be?