「A」代表「位址」,這是最基礎的 DNS 記錄類型:它表示給定網域的IP 位址。例如,拉取 cloudflare.com 的 DNS 記錄,A 記錄當前傳回的 IP 位址為:104.17.210.9。 A 記錄只會保留 IPv4 位址。如果網站有 IPv6 位址,它將改為使用「AAAA」記錄。 以下是 A 記錄的一個範例: example.com記錄類型:值:TTL @ A...
The DNS CNAME record works as an alias for domain names that share a single IP address. Learning Center What is DNS? What is 1.1.1.1? DNS Records Securing DNS Domain Registration DNS Glossary theNET DNSSEC Protection Learning Objectives After reading this article you will be able to: Understan...
A DNS record is a specific resource record stored in a DNS database that allows you to configure and control other information about your domain name. For example, you can set up your DNS records to tell the world what type of mail server your domain will use (e.g.,Microsoft Exchange) ...
DNS Record A DNS record is aplain textentry in azone filethat contains important information about adomain, and is an important part of theDomain Name System. A domain's zone file contains multiple DNS records that help translate human-readabledomain namesinto machine-readableIP addresses, ...
A DNS NS record is what indicates which nameserver is authoritative for this domain; therefore, each authoritative DNS (domain name system) server must have an NS record. In this article, we’ll demonstrate the functions of nameserver (NS) records in greater detail. What is an NS record?
CNAME , DNS , A Record , Domain Name DNS: 分布式ip到domain name的数据库系统,一种服务。 What is a DNS A record? IP address, 一般一个网站就是一个a记录,但访问量大的网站也会有多个a记录 What is a DNS C record? 本来域名是doc.example.com...
DNS A record explained: The DNS is mapping hostnames with their IP addresses. To do so, it uses A records that contain the name of a host/domain and the IP address (IPv4), to which they are pointing. It is a very common DNS record. ...
图1 DNS服务器的层级举例 从上至下,DNS服务器可分为:根节点服务器、顶级域服务器、权威域服务器和本地DNS服务器。 根节点服务器:全球共有400多个根节点服务器,交由13个机构管理,根节点服务器存储着顶级域服务器的域名和IP地址。 顶级域服务器:顶级域服务器分为各领域域名服务器,比如“org,edu,com,net。。
1.登录云解析 DNS 控制台,在我的解析页面中,单击目标域名,进入该域名的记录管理页面。如下图所示: 2.在记录管理页面中,单击添加记录,填写以下记录信息。如下图所示: 主机记录:选择子域名。例如添加www.123.com的解析时,您在 “主机记录” 处选择 “www” 即可。若是想添加123.com的解析...
A CNAME record, short for Canonical Name record, is a type of DNS record that maps an alias name to a true or canonical domain name. This DNS entry is commonly used when you want to associate a new subdomain with an existing domain's DNS records. ...