什麼是 DNS PTR 記錄? Domain Name System (DNS) 會將網域名稱與IP 位址建立關聯。DNS 指標記錄(簡稱 PTR)提供與 IP 位址相關聯的網域名稱。DNS PTR 記錄與「A」記錄完全相反,該記錄提供與網域名稱關聯的 IP 位址。 DNS PTR 記錄用於反向DNS 查閱。當使用者嘗試在瀏覽器中存取網域名稱時,就會發生 DNS 查閱...
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...
问在Cloudflare上反向DNS和PTR记录EN什么是公共DNS 我们都知道，我们要能上网，就必须要使用DNS。这个DNS...
PTR record - Provides a domain name in reverse-lookups. Learn more about the PTR record. Sign Up Free DNS included with any Cloudflare plan Start for free What are some of the less commonly used DNS records? AFSDB record - This record is used for clients of the Andrew File System (AF...
DNS transport protocol Copy link Top Protocols 瞭解更多...在 Data Explorer 中檢視分享此資訊... UDP87.7% DoT9.7% DoH1.4% TCP1.2% Top Record Types 瞭解更多...在 Data Explorer 中檢視分享此資訊... A52.6% AAAA25.7% PTR10.0% 其他11.6%...
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...
Top Record Types 了解更多...在 Data Explorer 中查看分享这篇文章... A61.1% AAAA13.9% PTR12.0% 其他13.0% 了解更多... 在Data Explorer 中查看 分享这篇文章... Browser Market Share Report for 2024 Q4 Browser market share based on user-agent and client-hints ...
Cloudflare is participating in the AS112 project, becoming an operator of the loosely coordinated, distributed sink of the reverse lookup (PTR) queries for RFC 1918 addresses, dynamic DNS updates and other ambiguous addresses.
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selector是由域名使用的电子邮件服务提供商发布的专门值。它包含在 DKIM 标头中,使电子邮件服务器能够在 DNS 中执行所需的 DKIM 查找。domain是电子邮件域名。._domainkey.包含在所有 DKIM 记录名称中。 为了查询 DKIM 记录,电子邮件服务器使用电子邮件服务提供商提供的 DKIM 选择器,而不仅仅是域名。假设 example....