<VirtualHost example1.com:80>
    ServerName example1.com
    ServerAlias www.example1.com
    DocumentRoot /htdocs/example1.com
    ServerAdmin admin@example1.com
    UseCanonicalName Off
</VirtualHost>

NameVirtualHost example1.com:80
<VirtualHost 84.xx.xx.xx:80>
    ServerName 84.xx.xx.xx
    Redirect 403 /
    ErrorDocument 403 "Sorry, direct IP access not allowed."
    DocumentRoot /usr/local/apache/htdocs
    ServerAdmin admin@example1.com
    UseCanonicalName Off
    UserDir disabled
</VirtualHost>

<VirtualHost example2.com:80>
    ServerName example2.com
    ServerAlias www.example2.com
    DocumentRoot /htdocs/example2.com
    ServerAdmin admin@example1.com
    UseCanonicalName Off
</VirtualHost>

NameVirtualHost example2.com:80
<VirtualHost 84.xx.xx.xx:80>
    ServerName 84.xx.xx.xx
    Redirect 403 /
    ErrorDocument 403 "Sorry, direct IP access not allowed."
    DocumentRoot /usr/local/apache/htdocs
    ServerAdmin admin@example2.com
    UseCanonicalName Off
    UserDir disabled
</VirtualHost>