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                                  checkdnsrr

   (PHP 3, PHP 4 )
   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, 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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