It is precisely because they do not accept the DNS of 000webhost that it is not pointed out. I already contacted the support and they gave me the following answer:
For the change to take place successfully, the new servers
DNS must be preconfigured for the domain.
The "Search declined" error indicates that the
But refused to respond.
Check the configuration of the DNS servers at:
The setting is correct when the response is: "Authority about
The domain ".
Contact the company that manages this DNS server to correct the