Task 1 - What is DNS?

What does DNS stand for?

Domain Name System

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Task 2 - Domain Hierarchy

What is the maximum length of a subdomain?

63

Which of the following characters cannot be used in a subdomain ( 3 b _ - )?

-_

What is the maximum length of a domain name?

253

What type of TLD is .co.uk?

ccTLD

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Task 3 - Record Types

What type of record would be used to advise where to send email?

MX

What type of record handles IPv6 addresses?

AAAA

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Task 4 - Making A Request

What field specifies how long a DNS record should be cached for?

TTL

What type of DNS Server is usually provided by your ISP?

recursive

What type of server holds all the records for a domain?

authoritative

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Task 5 – Practical

What is the CNAME of shop.website.thm?

shops.myshopify.com

What is the value of the TXT record of website.thm?

THM{7012BBA60997F35A9516C2E16D2944FF}

What is the numerical priority value for the MX record?

30

What is the IP address for the A record of www.website.thm?

10.10.10.10