TryHackMe | DNS in Detail WriteUp

 

Learn how DNS works and how it helps you access internet services.

Link- https://tryhackme.com/room/dnsindetail


What does DNS stand for?

Domain Name System

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

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

MX

What type of record handles IPv6 addresses?

AAAA

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

Follow the instructions on website for remaining questions:-

What is the CNAME of shop.website.thm?

shops.myshopify.com

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


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


That’s it ! See you in the next room :)


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