checkdnsrr
(PHP 3, PHP 4, PHP 5)
checkdnsrr -- Check DNS records corresponding to a given Internet host name or IP address
Description
int
checkdnsrr ( string host [, string type] )
Searches DNS for records of type type corresponding to host. Returns
TRUE if any records are found; returns
FALSE if no records were found or if an error occurred.
type may be any one of: A, MX, NS, SOA, PTR, CNAME, AAAA, A6, SRV, NAPTR or ANY. The default is MX.
host may either be the IP address in dotted-quad notation or the host name.
Note: AAAA type added with PHP 5.0.0
Note: This function is not implemented on Windows platforms. Try the
PEAR class
Net_DNS.
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