220-1101 · Question #544
Which of the following DNS records is used to look up the IP address assigned to a domain name?
The correct answer is A. A. A DNS 'A' (Address) record maps a domain name to its corresponding IPv4 address - this is the fundamental forward lookup record. MX (Mail Exchanger) records direct email to the correct mail server. NS (Name Server) records identify which DNS servers are authoritative for a domain
Question
Which of the following DNS records is used to look up the IP address assigned to a domain name?
Options
- AA
- BMX
- CNS
- DSPF
How the community answered
(34 responses)- A94% (32)
- B3% (1)
- D3% (1)
Explanation
A DNS 'A' (Address) record maps a domain name to its corresponding IPv4 address - this is the fundamental forward lookup record. MX (Mail Exchanger) records direct email to the correct mail server. NS (Name Server) records identify which DNS servers are authoritative for a domain. SPF (Sender Policy Framework) is a TXT record used to prevent email spoofing by specifying authorized mail senders.
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