Tag: dns concept

Diagram illustrating DNS hierarchy, message format, security threats, and common record types.
CCNA August 9, 2019

DNS-Domain Name System

The Domain Name System (DNS) is the backbone of modern networking, translating human-readable domain names like networkustad.com into machine-readable IP addresses such as 64.91.237.241. For CCNA and CCNP students, understanding DNS is critical because it underpins how devices communicate in IP networks, including Cisco-based infrastructures. Think of DNS as the Internet’s phone book, enabling seamless...
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