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Which one of the following function is used to retrieve the MX records for the domain specified by hostname?

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Which one of the following function is used to retrieve the MX records for the domain specified by hostname?

(a) getmx()

(b) retrieve_mx()

(c) getmxrr()

(d) retrieve_mxrr()

I got this question in semester exam.

This is a very interesting question from Networking with PHP in portion File and Session Handling in PHP of PHP

1 Answer

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Best answer
Right answer is (c) getmxrr()

The explanation: The function getmxrr() returns the MX records for the specified internet host name. This function is used to retrieve the MX records for the domain specified by hostname.

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