Resources

Whitepapers

IT security threat review fall 2017 (with a Canadian perspective)

Global spending on security is estimated at over $150 billion (Canadian dollars) yet in the face of this, successful hacks are reported almost daily.

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"Defence in depth" and how you can use it

The combination of easy-to-use tools and proven profit models has led to a global growth in cyber theft. Organizations benefit when they respond with multiple layers of defence.

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The Canadian DNS – room for improvement

We performed a six month study of over 120,000 authoritative DNS servers and determined that only 7% had a perfect response record. How can organizations do better.

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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.

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DNS primer and glossary

This short primer will help IT managers re-familiarize themselves with the DNS. Comes with a complete technical glossary. 
 

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Anatomy of a DDoS attack against the DNS

The DNS is part of the functional infrastructure of the internet and part of the internet’s “trust” framework. Here we look at how a DNS DDoS works and how to mitigate one.

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Using Transaction Signatures (TSIG) for zone files

Many organizations make the mistake of specifying IP address-based permissions between DNS name servers.  TSIG is a recommended protocol to mitigate threats.

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D-Zone Anycast DNS Architecture 

The 100% SLA is achieved with a service architecture that combines anycast technology with multiple levels of redundancy across the entire global network. 

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How to configure multiple DNS suppliers to backup your DNS

A best practice for the DNS to help protect from outages due to system errors or DDoS attacks is to have multiple secondary DNS providers. This brings the added benefit of improving speed. Learn how easy it is to set up this recommended architecture.

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Infographics

DNS by the numbers

A look at domains and the DNS globally and in Canada to give IT managers an idea of the number and scale of the internet.

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DNS under attack

A summary of some of the current research on threats to the infrastructure layer including the DNS.

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D-Zone Anycast DNS by the numbers

A summary of some of the current research on threats to the infrastructure layer including the DNS.

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Videos

What is a secondary DNS?

A secondary anycast DNS service is the recommended way to protect and optimize the authoritative DNS for websites and web applications. 

How D-Zone DNS Firewall helps protect you

Proactive protection from today’s worst ransomware, malware, phishing and more, with 24/7 cyberthreat detection, web content filtering, and ISP-grade recursive performance.