Nginx - test before Let's encrypt request - There is a server found at this domain but it returned an unexpected status code Invalid domain or IP. Is it the NPM server? Please make sure your domain points to the IP where your NPM instance is running

When I start to validate the domain check in nginx for Let’s encrypt SSL certificate request following error message i recieved:
There is a server found at this domain but it returned an unexpected status code Invalid domain or IP. Is it the NPM server? Please make sure your domain points to the IP where your NPM instance is running
Did it via IP and domain…
What’s my issue?