Learn how DNS works and how it helps you access internet services.
THM Room : https://tryhackme.com/room/dnsindetail
TASK 1 What is DNS?
What does DNS stand for?
Answer : Domain Name System
TASK 2 Domain Hierarchy
What is the maximum length of a subdomain?
Answer : 63
Which of the following characters cannot be used in a subdomain ( 3 b _ - )?
Answer : _
What is the maximum length of a domain name?
Answer : 253
What type of TLD is .co.uk?
Answer : ccTLD
TASK 3 Record Types
What type of record would be used to advise where to send email?
Answer : MX
What type of record handles IPv6 addresses?
Answer : AAAA
TASK 4 Making A Request
What field specifies how long a DNS record should be cached for?
Answer : TTL
What type of DNS Server is usually provided by your ISP?
Answer : recursive
What type of server holds all the records for a domain?
Answer :authoritative
TASK 5 Practical
What is the CNAME of shop.website.thm?
Answer : shops.myshopify.com
What is the value of the TXT record of website.thm?
Answer : THM{7012BBA60997F35A9516C2E16D2944FF}
What is the numerical priority value for the MX record?
Answer : 30
What is the IP address for the A record of www.website.thm?
Answer : 10.10.10.10