[英]How to echo SOA record like nslookup in PHP?
https://i.imgur.com/IQtyy2e.png
我的目標是找到像這樣的任何 HTTP 主機后面的當前名稱服務器。
<?php
$resolver = array( '1.1.1.1' );
$domain = 'community.cloudflare.com.';
$report = dns_get_record( $domain, DNS_SOA, $resolver );
print_r( $report );
?>
印刷
Array
(
)
雖然它適用於 google.co.uk
知道如何使用 PHP 本機 function 獲取 SOA 報告嗎?
如果這不起作用,那么我有最后一個選項使用 1.1.1.1 API,如果不嘗試第一個 PHP 方式,我不想這樣做。
在這種情況下,子域community.cloudflare.com(.)
是區域cloudflare.com.
由於community.cloudflare.com(.)
不是一個區域(即使它可能是),所以它沒有 SOA 或 NS 記錄。
您需要做的是從不太具體的區域獲取 SOA 記錄或 NS 記錄,即cloudflare.com.
在這種情況下:
代碼
$domain = 'cloudflare.com.';
$report = \dns_get_record($domain, \DNS_NS);
\print_r($report);
回復
Array
(
[0] => Array
(
[host] => cloudflare.com
[class] => IN
[ttl] => 21052
[type] => NS
[target] => ns3.cloudflare.com
)
[1] => Array
(
[host] => cloudflare.com
[class] => IN
[ttl] => 21052
[type] => NS
[target] => ns4.cloudflare.com
)
[2] => Array
(
[host] => cloudflare.com
[class] => IN
[ttl] => 21052
[type] => NS
[target] => ns5.cloudflare.com
)
[3] => Array
(
[host] => cloudflare.com
[class] => IN
[ttl] => 21052
[type] => NS
[target] => ns6.cloudflare.com
)
[4] => Array
(
[host] => cloudflare.com
[class] => IN
[ttl] => 21052
[type] => NS
[target] => ns7.cloudflare.com
)
)
接近我正在尋找的東西
$host = 'community.cloudflare.com';
$api = "https://cloudflare-dns.com/dns-query?name=$host&type=NS";
$response = wp_remote_get( $api, array(
'timeout' => 3,
'redirection' => 0,
'headers' => array( "Accept" => "application/dns-json" ),
));
$response = wp_remote_retrieve_body( $response );
$response = json_decode( $response, true );
echo '<pre>';
print_r( $response );
echo '</pre>';
Output
Array
(
[Status] => 0
[TC] =>
[RD] => 1
[RA] => 1
[AD] => 1
[CD] =>
[Question] => Array
(
[0] => Array
(
[name] => community.cloudflare.com
[type] => 2
)
)
[Authority] => Array
(
[0] => Array
(
[name] => cloudflare.com
[type] => 6
[TTL] => 93
[data] => ns3.cloudflare.com. dns.cloudflare.com. 2036594323 10000 2400 604800 300
)
)
)
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