312-50V11 · Question #639
MX record priority increases as the number increases. (True/False.)
The correct answer is B. False. This statement is False. In DNS MX (Mail Exchanger) records, priority works inversely to the number: a LOWER preference number means HIGHER priority. For example, an MX record with preference 10 will be tried before one with preference 20. Mail servers attempt delivery to the…
Question
MX record priority increases as the number increases. (True/False.)
Options
- ATrue
- BFalse
How the community answered
(38 responses)- A11% (4)
- B89% (34)
Explanation
This statement is False. In DNS MX (Mail Exchanger) records, priority works inversely to the number: a LOWER preference number means HIGHER priority. For example, an MX record with preference 10 will be tried before one with preference 20. Mail servers attempt delivery to the lowest-numbered MX host first, then fall back to higher-numbered hosts if the preferred one is unavailable. So as the number increases, the priority actually decreases, not increases.
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