This makes it valid? why wildcard *: 80 not working properly? thanks!!!!!

server {
listen 127.0.0.1:80 default_server;
listen 192.168.1.1:80 default_server;
listen public_ip:80 default_server;

server_name _;
return 444;
}

server {
listen 192.168.1.1:80;

server_name phpmyadmin;
}

server {
listen 127.0.0.1:80;
listen 192.168.1.1:80;
listen public_ip:80;

server_name www.site.com;
}

server {
listen 127.0.0.1:80;

server_name bots;
}