checkdnsrr

(PHP 3, PHP 4, PHP 5)

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.

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 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

VersionDescription
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

dns_get_record()
getmxrr()
gethostbyaddr()
gethostbyname()
gethostbynamel()
the named(8) manual page