DNSpod 免费版 TTL 最短时间是 10 分钟,配合宝塔的计划任务,挂个间隔 10 分钟的任务刚刚好。
效果图

计划任务
把脚本放到合适的路径,添加一个 10 分钟的计划任务

源代码
<?php
// Dnspod token,获取地址 https://console.dnspod.cn/account/token/token
$token = 235678,f485d8729df9397c719e0fe8f5802xxx;
// 需要解析的域名
$domain = xxx.com;
// 解析记录
$record = panel.nas;
$api = https://dnsapi.cn/Record.List;
$post = [
login_token => $token,
format => json,
lang => cn,
domain => domain,
];
$record_id = null;
$res = getCurl($api, [post => $post]);
$data = json_decode($res, true);
// 获取记录ID
foreach ($data[records] as $itm) {
if ($record == $itm[name]) {
$record_id = $itm[id];
}
}
if (empty($record_id)) {
exit("记录 [$record] 未找到,请检查!\n");
}
// 获取公网IP
$ip = file_get_contents(https://www.bt.cn/Api/getIpAddress);
if (empty($ip)) {
exit("公网IP获取失败 \n");
}
echo "当前公网IP:$ip \n";
// 修改域名A记录
$api = https://dnsapi.cn/Record.Modify;
$post = [
login_token => $token,
format => json,
lang => cn,
domain => $domain,
record_id => $record_id,
sub_domain => $record,
record_type => A,
record_line => 默认,
value => $ip,
mx => 20,
];
$res = getCurl($api, [post => $post]);
$data = json_decode($res, true);
if ($data[status][code]) {
echo "修改成功:{$data[status][message]} \n";
}
function getCurl($url, $opt = [])
{
$cookie = ;
if (is_array($opt[cookie])) {
foreach ($opt[cookie] as $k => $v) {
$cookie .= $k . = . $v . ; ;
}
}
$cookie = (mb_substr($cookie, 0, mb_strlen($cookie) - 2));
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_COOKIE, $cookie);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_ENCODING, );
curl_setopt($ch, CURLOPT_HTTPHEADER, ["Expect:"]);
curl_setopt($ch, CURLOPT_NOBODY, $opt[nobody]);
curl_setopt($ch, CURLOPT_HEADER, $opt[header] ?? false);
curl_setopt($ch, CURLOPT_HTTPHEADER, $opt[headers] ?? []);
curl_setopt($ch, CURLOPT_TIMEOUT_MS, $opt[rtime] ?? 10000);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT_MS, $opt[ctime] ?? 10000);
curl_setopt($ch, CURLOPT_REFERER, $opt[refer] ?? https://user.qzone.qq.com/);
curl_setopt($ch, CURLOPT_USERAGENT,
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.102 Safari/537.36);
if (isset($opt[post])) {
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, is_array($opt[post]) ? http_build_query($opt[post]) : $opt[post]);
}
if (isset($opt[proxy]) && is_array($opt[proxy])) {
curl_setopt($ch, CURLOPT_PROXY, $opt[proxy][ip]);
curl_setopt($ch, CURLOPT_PROXYPORT, $opt[proxy][port]);
}
$res = curl_exec($ch);
$error = curl_error($ch);
$code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
if ($opt[detail]) {
return [code => $code, error => $error, resp => $res,];
}
return $res;
}