checkdnsrr

(PHP 4, PHP 5, PHP 7)

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

Description

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.

Return Values

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

Changelog

Notes

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

See Also

• dns_get_record() - Fetch DNS Resource Records associated with a hostname

• getmxrr() - Get MX records corresponding to a given Internet host name

• gethostbyaddr() - Get the Internet host name corresponding to a given IP address

• gethostbyname() - Get the IPv4 address corresponding to a given Internet host name

• gethostbynamel() - Get a list of IPv4 addresses corresponding to a given Internet host name

• the named(8) manual page

← Network Functions

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Licensed under the Creative Commons Attribution License v3.0 or later.

https://secure.php.net/manual/en/function.checkdnsrr.php