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, 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.
See also getmxrr(), gethostbyaddr(), gethostbyname(), gethostbynamel(), and the named(8) manual page.
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