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, or ANY. The default is MX.
Host may either be the IP address in
dotted-quad notation or the host name.
Note: This function is not
implemented on Windows platforms.
See also getmxrr(),
gethostbyaddr(),
gethostbyname(),
gethostbynamel(), and the named(8) manual
page.
