Quick Answer: How Do I Harden My DNS Server?

Let’s start with eight key tips to harden your DNS services:

  • Audit your DNS zones. First things first.
  • Keep your DNS servers up-to-date.
  • Hide BIND version.
  • Restrict Zone Transfers.
  • Disable DNS recursion to prevent DNS poisoning attacks.
  • Use isolated DNS servers.
  • Use a DDOS mitigation provider.
  • Two-Factor Authentication.

What DNS binding?

BIND is open source software that enables you to publish your Domain Name System (DNS) information on the Internet, and to resolve DNS queries for your users. The name BIND stands for “Berkeley Internet Name Domain”.

Can I use 8.8 8.8 DNS?

8.8. 8.8 is the primary DNS, 8.8. Google DNS service is free to use and can be used by anyone who has access to the Internet. You can use Google DNS IP instead of your ISP’s DNS servers to improve the resolve time and provide security.

How do you mitigate DNS amplification attack?

Common ways to prevent or mitigate the impact of DNS amplification attacks include tightening DNS server security, blocking specific DNS servers or all open recursive relay servers, and rate limiting.

What does bind stand for?

Berkeley Internet Name Domain

What does bind do for the system?

BIND is an open source system free to download and use, offered under the Mozilla Public License. BIND can be used to run a caching DNS server or an authoritative name server, and provides features like load balancing, notify, dynamic update, split DNS, DNSSEC, IPv6, and more.