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Learn the basics of what DNS protocol is and how it defines communication between DNS client, DNS resolver and DNS name servers.
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.
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.
DNS: Types of DNS Records, DNS Servers and DNS Query Types
Need a refresher on DNS? In this article, we introduce DNS, explain 3 Types of DNS queries, 3 Types of DNS servers, and 10 types of common DNS records.
BIND DNS: Pros, Cons and Alternatives
How BIND works, advantages and disadvantages, and alternatives including managed DNS and next-generation DNS solutions.
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.
DNS & Devops
Primary DNS vs. Secondary DNS and Advanced Use Cases
Learn how primary DNS servers work with secondary DNS servers, and how to use secondary DNS for redundancy, performance, DNS migration, and more.
Become a DNS master with NS1’s free eLearning curriculum.
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.