DNS Resources

DNS Solution Briefs


Analysis of the Canadian DNS - there is a lot of room for improvement 

We did a six-month study of over 120,000 authoritative DNS servers and determined that only 7% had a perfect response record. In an effort to dive deeper into this poor result we delved deeper and ran a detailed analysis on a cross-section of organizations running thier own DNS. registration required

Seven Best Practices for DNS Resiliency and Performance

Your external DNS is a mission critical business resource. Without it, no one can reach your website, email, or web applications. This paper provides 7 Best practices to help you manage your DNS.

DNS Primer and Glossary

The DNS is a technology that most IT managers don’t think much about; it works well and usually does not require much attention to support organizational objectives. However, as organizations increasingly rely on their web strategy, the DNS infrastructure deserves more attention. This short primer will help IT managers re-familiarize themselves with the DNS.

Anatomy of a DDoS Attack Against the DNS

The Domain Name System (DNS) is part of the functional infrastructure of the Internet and part of the Internet’s “trust” framework. Because of this, the DNS is a piece of the network that is often targeted by malicious players. This whitepaper describes how a DDoS attack against the DNS takes place and what organizations can do to mitigate them.

Using Transaction Signatures (TSIG) for secure DNS Server Communication

Transaction Signatures (TSIG) provide a secure method for communicating in the Domain Name System (DNS) from a primary to a secondary DNS server and is a simple and effective method for organizations to enhance their security when more than one name server is being used. TSIG is not a requirement and many organizations choose to specify IP address-based permissions between DNS name servers. However, as the DNS is increasingly targeted by bad actors on the Internet, TSIG is a recommended design consideration.

Presentations and Videos

Overview of the D-Zone Anycast DNS Solution

This short video is a walk through of why the DNS requires attention, best practices for the DNS, and an overview of D-Zone Anycast DNS. 

D-Zone for Municipalities

An overview of D-Zone that cites a few examples of how it benefits Canadian municipalities.