DNS In Detail est une nouvelle box de TryHackMe qui permet d’apprehéender le fonctionnement de DNS ( Domain Name System). Elle est très intéressentate pour celles et ceux qui veulent savoir comment fonctionne le DNS
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?
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
