checkdnsrr

(PHP 4, PHP 5, PHP 7)

Check DNS records corresponding to a given Internet host name or IP address

bool checkdnsrr ( string $host [, string $type = "MX" ] )

Searches DNS for records of type type corresponding to host.

Parameters:

host

host may either be the IP address in dotted-quad notation or the host name.

type

type may be any one of: A, MX, NS, SOA, PTR, CNAME, AAAA, A6, SRV, NAPTR, TXT or ANY.

Returns:

Returns TRUE if any records are found; returns FALSE if no records were found or if an error occurred.

Changelog:

5.3.0

This function is now available on Windows platforms.

5.2.4

TXT type was added.

Notes:

For compatibility with Windows before this was implemented, then try the » PEAR class » Net_DNS.