Question: What is the correct prototype of checkdnsrr() function?
A
B
C
D
str checkdnsrr(string host[,string type])
B
bool checkdnsrr ( string
$host
[, string $type
= "MX" ] )C
int checkdnsr(string host[,string type])
D
int checkdnsrr(string type[,string host])
Note: Not available