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

Network Functions

Network Functions

checkdnsrr

(PHP 4, PHP 5)

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

Description

bool checkdnsrr ( string $host [, string $type ] )

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. The default is MX.

Return Values

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

ChangeLog

Version	Description
5.2.4	TXT `type` was added.
5.0.0	AAAA `type` was added.

Notes

Note: This function is not implemented on Windows platforms. Try the » PEAR class » Net_DNS.

See Also

Network Functions

Network Functions