Which one of the following function checks for the existence of DNS records? Options: A . &nbspcheckdns() B . &nbspcheckdnsr() C . &nbspcheckdnsrr() D . &nbspcheckdnsa()

Which one of the following function checks for the existence of DNS records?

Question

Which one of the following function checks for the existence of DNS records?

Options:

A . checkdns()

B . checkdnsr()

C . checkdnsrr()

D . checkdnsa()

Answer: Option C

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