DNS PTR 記錄如何儲存? 在IPv4 中: DNS A 記錄儲存在給定的網域名稱下,而 DNS PTR 記錄儲存在 IP 位址下——將 IP 位址進行反轉,並新增「.in-addr.arpa」。例如,IP 位址 192.0.2.255 的 PTR 記錄將儲存在「255.2.0.192.in-addr.arpa」下。
DNS A 记录存储在给定的域名下,而 DNS PTR 记录存储在 IP 地址下——进行了反转,且添加了“.in-addr.arpa”。例如,IP 地址 192.0.2.255 的 PTR 记录将存储在“255.2.0.192.in-addr.arpa”下。 必须添加“in-addr.arpa”,因为 PTR 记录存储在 DNS 的 .arpa 顶级域中。.arpa 是一个主要用于管理网络基础...
A PTR record basically maps the IP address of your server to your domain name. DigitalOcean automatically create PTR records for Droplets based on the name you give that Droplet in the control panel. The name must be a valid FQDN, so using example.com as the Droplet name will create a PT...
* Add record for specific domain. */if (!isset($adapter)) {exit;}if (isset($_POST['submit'])) { if ($_POST['proxied'] == 'false') { $_POST['proxied'] = false; } else { $_POST['proxied'] = true; } if ($_POST['type'] != 'A' && $_POST['type']...
not from your domain registrar,so you must set PTR record for your IP in the control panel of your hosting provider, or ask your ISP. Its value should be your mail server’s hostname:mail.your-domain.com.If your server uses IPv6 address, be sure to add a PTR record for your IPv6...
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Supported Resource Record Types: A AAAA CNAME PTR NS SRV TXT SPF It is extremely easy to add additional resource records. If you need to add a new one, first find the value for it: https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml#dns-parameters-4 Once you have the ...
2. Add PTR records Go to DNS > Records. For each IP within the prefix, add a PTR record using the least significant octet(s) as the subdomain. IPv4 example Suppose you have the following configuration: Reverse zone: 100.51.198.in-addr.arpa IP address: 198.51.100.123 The subdomain for...
A pointer (PTR) record ↗ specifies the allowed hosts for a given IP address. Within Cloudflare, PTR records are used for reverse DNS lookups and should preferably be added to reverse zones. For field definitions, refer to the API documentation (visible once you select the record type under ...
While DNS A records are stored under the given domain name, DNS PTR records are stored under the IP address — reversed, and with ".in-addr.arpa" added. For example, the PTR record for the IP address 192.0.2.255 would be stored under "255.2.0.192.in-addr.arpa". ...