Azure DNS basics - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is Azure DNS?

Azure DNS is a service that hosts your domain names and translates them into IP addresses so computers can find your website or service on the internet.

beginner

What is a DNS zone in Azure DNS?

A DNS zone is like a folder that holds all the DNS records for a specific domain name, such as example.com, allowing you to manage its settings in one place.

beginner

Name two common DNS record types you can create in Azure DNS.

Two common DNS record types are A records, which map a domain to an IPv4 address, and CNAME records, which alias one domain name to another.

intermediate

How does Azure DNS improve website availability?

Azure DNS uses Microsoft's global network of name servers, so your domain name is resolved quickly and reliably from anywhere in the world, helping keep your website available.

intermediate

What is the difference between Azure DNS and a domain registrar?

A domain registrar sells and manages your domain name registration, while Azure DNS manages the DNS records that tell the internet where to find your services for that domain.

What does an A record in Azure DNS do?

A Defines the authoritative name server for a domain

B Maps a domain name to an email server

C Aliases one domain name to another

D Maps a domain name to an IPv4 address

An A record links a domain name directly to an IPv4 address.

What is a DNS zone used for in Azure DNS?

A To host a website

B To register a new domain name

C To store DNS records for a specific domain

D To create virtual machines

A DNS zone holds all DNS records for a domain, managing them together.

Which Azure service is responsible for translating domain names to IP addresses?

A Azure DNS

B Azure Virtual Machines

C Azure Storage

D Azure Active Directory

Azure DNS handles domain name resolution to IP addresses.

What does a CNAME record do in Azure DNS?

A Points one domain name to another domain name

B Maps a domain to an IPv6 address

C Specifies the mail server for a domain

D Defines the start of authority for a domain

A CNAME record creates an alias from one domain to another.

Why use Azure DNS instead of managing DNS records manually on your registrar?

A Because registrars do not support DNS

B For better performance and global availability

C To avoid paying for domain registration

D To create virtual networks

Azure DNS uses Microsoft's global network for fast and reliable DNS resolution.

Explain what Azure DNS is and how it helps your website or service.

Think about how computers find websites using names instead of numbers.

Describe the role of DNS zones and records in Azure DNS.

Imagine organizing your contacts in folders and cards.