How do I disable recursive DNS queries on my Linux VPS or Dedicated Server?
For information on recursive DNS, see What risks are associated with recursive DNS queries?.
NOTE: To perform this procedure, you must be the root user on your server.
To Disable Recursive DNS Queries
- Using SSH, log in to your server with the User ID and Password that you created when you set up your dedicated hosting account.
- At the command line, type the following and press Enter.
su - - Type the following three commands and press Enter after each.
cd /tmp/wget -O rdnsfix http://products.secureserver.net/scripts/rdnsfixphp -c /r rdnsfix