Ok . it is working . i try to edit .conf file.
original madwallpaper.com.conf
### begin - web of 'madwallpaper.com' - do not remove/modify this line
## web for 'madwallpaper.com'
server {
listen 0.0.0.0:80;
listen [::]:80;
i changed with this
### begin - web of 'madwallpaper.com' - do not remove/modify this line
## web for 'madwallpaper.com'
server {
listen 208.115.203.66:80;
listen [::]:80;
Now tell me . it will work or it will crashed ? or should i change something else ?