What is the primary role of DNS (Domain Name System)?

What happens first when you request to visit a website by entering its domain name in a browser?

If the Recursive DNS Server cannot find a cached record for a domain, what is the next step?

What is the purpose of the TTL (Time To Live) value in DNS records?

Which DNS record type maps a domain name to an IPv4 address?

What is the difference between an A Record and an AAAA Record?

Which DNS record type points one domain or subdomain to another domain name instead of an IP address?

What is the primary function of an MX Record in DNS?

Which DNS record is used to store arbitrary text data, often for security purposes like SPF or domain verification?

If the primary mail server listed in an MX Record is unavailable, what happens next?

What does the Recursive DNS Server do if it cannot resolve a DNS query from its cache?

Why are DNS records cached on recursive servers and local machines?

The DNS record that maps a domain to an IPv4 address is called an _______ record

An _______ record connects a domain to an IPv6 address, which supports a larger pool of IP addresses.

A _______ record points one domain or subdomain to another domain name instead of an IP address.

The DNS record that specifies which mail servers handle email for a domain is known as the _______ record.

To verify domain ownership or add security policies, domains use _______ records, which store arbitrary text data.

A DNS query first checks the computer’s _______ to see if the domain’s IP address has been recently stored

If a domain’s IP address is not found locally, the request is sent to the _______ DNS Server, typically provided by an ISP.

If the Recursive DNS Server cannot resolve the domain, it queries the _______ server, which directs the request to the correct Top-Level Domain (TLD) server.