PHP checkdnsrr() Function

PHP Network Reference : Check DNS records

Definition and Usage

The checkdnsrr() function checks DNS records for type corresponding to host.

We can use the checkdnsrr() function to check our DNS record to verify the existence of a domain name or not.

checkdnsrr(host, type)

Parameter	Description
host	Required. Specifies an IP address or host name to check
type	Optional. Specifies the type. Can be one of the following: A MX (default) NS SOA PTR CNAME AAAA A6 SRV NAPTR TXT ANY

Return Value:	TRUE if any records are found, FALSE otherwise
PHP Version:	4.0+
PHP Changelog:	PHP 5.3: Now available on Windows platforms PHP 5.2.4: Added the TXT value of type

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