DNS in Detail
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
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