E-Learning

e-learning

CNAME Record - How it Works, Alternatives & Advanced Use Cases

A Canonical Name (CNAME) Record is used in the Domain Name System (DNS) to create an alias from one domain name to another domain name.

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DNS Protocol

Learn the basics of what DNS protocol is and how it defines communication between DNS client, DNS resolver and DNS name servers.

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IPv6 DNS: Understanding IPv6 and a Quick Implementation Guide

IPv6 is a new version of the Internet Protocol, which uses 128-bit IP addresses. We explain IPv6’s slow adoption, and how to support IPv6 in your DNS server.

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DNS Failover: Basic Concepts and Limitations

DNS failover helps websites or network services remain accessible in the event of outage. Learn how traditional DNS failover works and its limitations.

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BIND DNS: Pros, Cons and Alternatives

How BIND works, advantages and disadvantages, and alternatives including managed DNS and next-generation DNS solutions.

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DNS Zones Explained

Learn about DNS zones and zone files and how they relate to domains. Understand DNS zone types, the format and structure of DNS zone files and more.

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DNS & Devops

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Understanding NS1's GeoFilters

Learn how to successfully use geotargeting and geofencing to route traffic. Includes detailed technical info about the differences between both methods, and how and when to use them in tandem.

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Anycast: The Fastest Route to a Smart Internet

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Understanding TTL Values In DNS Records

Time To Live, or TTL for short, is the sort of expiration date that is put on a DNS record. The TTL serves to tell the recursive server or local resolver how long it should keep said record in its cache.

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The Root Name Servers

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DNS Retransmission

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What's The Difference? Authoritative and Recursive DNS Explained

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NS1 Filter Chain: A Quick Primer

One of the most powerful aspects of the NSONE platform is our unique Filter Chain technology to enable easy configuration of traffic management algorithms for your application and network.

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What is Split Horizon or Multiview DNS?

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Adding Intelligence to Internet Traffic Routing

In this post we'll discuss key challenges affecting application performance and examine the birth of new technologies, multi CDN designs and how they affect DNS.

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