PHP 7 dns_get_record() Function
Example
Gets the MX resource records associated with "www.w3schools.com":
<?php
print_r(dns_get_record("w3schools.com", DNS_MX));
?>
Definition and Usage
The dns_get_record() function gets the DNS resource records associated with the specified hostname.
Syntax
dns_get_record(hostname, type, authns, addtl, raw)
| Parameter | Description |
|---|---|
| hostname | Required. Specifies a hostname (like "www.w3schools.com") |
| type | Optional. Specifies the resource record type to search for. Can be one of the following:
|
| authns | Optional. Passed by reference and, if set, it will be populated with Resource Records for the Authoritative Name Servers |
| addtl | Optional. Passed by reference and, if set, it will be populated with any Additional Records |
| raw | Optional. A Boolean value. If set to TRUE, it queries only the requested type instead of looping type-by-type before getting the info stuff. Default is FALSE |
Technical Details
| Return Value: |
An array of associative arrays, FALSE on failure. Each array contains the following keys (at minimum):
Other keys in the arrays depends on the type parameter. |
|---|---|
| PHP Version: | 5.0+ |
| PHP Changelog: | PHP 7.0.16: Added support for DNS_CAA type. PHP 5.4: Added the raw parameter. PHP 5.3: Available on Windows platforms. |
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