tryhackme/DNS in Detail at main · gadoi/tryhackme · GitHub

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#Task 1 What is DNS?
- What does DNS Stand for?
Domain Name System


#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


#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


# 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


# Task 5 Practical
- What is the CNAME of shop.website.thm?
hint: cname=shop
shops.myshopify.com

- What is the value of the TXT record of website.thm?
hint: txt=
THM{7012BBA60997F35A9516C2E16D2944FF}

- What is the numerical priority value for the MX record?
hint:mx=
30

- What is the IP address for the A record of www.website.thm?
hint:A=
10.10.10.10


https://tryhackme.com/room/dnsindetail
https://dev.to/applegamer22/tryhackme-dns-in-detail-3b2n
https://blog.gauravraj.tech/posts/dns-in-detail-tryhackme-machine-writeup-and-walkthrough/