Common DNS Record Types

1. A Record

• Example: example.com -> 192.0.2.1

• Maps a domain name to an IPv4 address.

2. AAAA Record:

• Example: example.com -> 2001:0db8:85a3:0000:0000:8a2e:0370:7334

• Maps a domain name to an IPv6 address.

3. CNAME Record:

• Example: www.example.com -> example.com 

• Creates an alias for a domain name.

4. MX Record:

• Example: example.com -> mail.example.net 

•  Specifies the mail servers responsible for accepting email messages on behalf of a domain.

5. NS Record:

• Example: example.com -> ns1.example.net, example.com -> ns2.example.net

• Specifies the name servers responsible for a domain.

6. TXT Record:

• Example: example.com -> "v=spf1 mx -all" 

• Holds arbitrary text associated with a domain. Often used for domain verification, SPF records, etc.

7. SRV记录 (SRV Record):

• 解释 (Explanation): 指定提供特定网络服务的服务器的位置和端口。常用于SIP、XMPP等服务。

• 示例 (Example): _sip._tcp.example.com -> 10 0 5060 sip.example.net

• 英文翻译 (English Translation): Specifies the location and port of servers for specific services.

Other Less Common DNS Record Types:

• Start of Authority Record

• Pointer Record

• Certification Authority Authorization Record