есть вот такой конфиг,в апаче виртуалки настроены и работают.

user www;
worker_processes 2;

events {
worker_connections 512;
}

http {
include /usr/local/etc/nginx/mime.types;
default_type application/octet-stream;

log_format main '$remote_addr - $remote_user [$time_local] $status '
'"$request" $body_bytes_sent "$http_referer" '
'"$http_user_agent" "http_x_forwarded_for"';

#access_log on;
#error_log on;
access_log /var/log/nginix/access.log;
error_log /var/log/nginix/nginx-error.log notice;

sendfile on;
tcp_nopush on;
tcp_nodelay on;

server {
listen 80;
server_name domain1 www.domain1;

# Main location
location / {
proxy_pass http://127.0.0.1:81;
proxy_redirect default;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
client_max_body_size 10m;
client_body_buffer_size 128k;
proxy_connect_timeout 90;
proxy_send_timeout 90;
proxy_read_timeout 90;
proxy_buffer_size 32k;
proxy_buffers 4 32k;
proxy_busy_buffers_size 64k;
proxy_temp_file_write_size 64k;
proxy_max_temp_file_size 0;

}
# Static files location
location ~* ^.+\.(jpg|jpeg|gif|png|ico|css|zip|tgz|gz|rar|bz2|doc|xls|exe|pdf|ppt|txt|tar|wav|bmp|rtf|js)$ {
access_log off;
expires 30d;

root /disk2/www/domain1;
}
}

server {
listen 80;
server_name domain2 www.domain2;
location / {
proxy_pass http://127.0.0.1:81/;
proxy_redirect
proxy_set_header Host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
client_max_body_size 10m;
client_body_buffer_size 128k;
proxy_connect_timeout 90;
proxy_send_timeout 90;
proxy_read_timeout 90;
proxy_buffer_size 32k;
proxy_buffers 4 32k;
proxy_busy_buffers_size 64k;
proxy_temp_file_write_size 64k;
}
# Static files location
location ~* ^.+\.(jpg|jpeg|gif|png|ico|css|zip|tgz|gz|rar|bz2|doc|xls|exe|pdf|ppt|txt|tar|wav|bmp|rtf|js)$ {
access_log off;
expires 30d;
root /disk2/www/domain2;

}
}

}


но при заходе на domain2 грузится domain1. подскажите пожалуйста в чем может быть проблема?