DNS Record Types Reference
A searchable reference to the standard DNS resource record types from the IANA registry — from A and AAAA to CAA, TLSA and HTTPS. Each entry shows the numeric type (as used in raw packets and DNS-over-HTTPS queries), the name and a plain-language description in both English and Chinese.
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33 record types
| Type | Name | Description |
|---|---|---|
| 1 | A | IPv4 address recordIPv4 地址记录 |
| 28 | AAAA | IPv6 address recordIPv6 地址记录 |
| 2 | NS | Name server for the zone域名服务器（权威 NS） |
| 5 | CNAME | Canonical name (alias to another name)别名记录（指向另一域名） |
| 6 | SOA | Start of authority (zone metadata)起始授权记录（区域元信息） |
| 12 | PTR | Pointer for reverse DNS反向解析指针 |
| 15 | MX | Mail exchange with priority邮件交换记录（含优先级） |
| 16 | TXT | Arbitrary text (SPF, DKIM, verification)文本记录（SPF、DKIM、验证等） |
| 17 | RP | Responsible person负责人记录 |
| 24 | SIG | DNSSEC signatureDNSSEC 签名 |
| 25 | KEY | Key record密钥记录 |
| 33 | SRV | Service locator (host + port)服务定位记录（主机与端口） |
| 35 | NAPTR | Naming authority pointer (SIP, ENUM)命名权威指针（SIP、ENUM） |
| 37 | CERT | Certificate record证书记录 |
| 39 | DNAME | Domain alias (subtree redirect)域名别名（整棵子树重定向） |
| 41 | OPT | EDNS pseudo-recordEDNS 伪记录 |
| 43 | DS | Delegation signer (DNSSEC)委托签名者（DNSSEC） |
| 44 | SSHFP | SSH public key fingerprintSSH 公钥指纹 |
| 45 | IPSECKEY | IPsec key materialIPsec 密钥资料 |
| 46 | RRSIG | DNSSEC signatureDNSSEC 签名 |
| 47 | NSEC | DNSSEC next secure recordDNSSEC 下一安全记录 |
| 48 | DNSKEY | DNSSEC public keyDNSSEC 公钥 |
| 50 | NSEC3 | NSEC record v3 (hashed)NSEC 记录第三版（哈希） |
| 51 | NSEC3PARAM | NSEC3 parametersNSEC3 参数 |
| 52 | TLSA | TLS certificate association (DANE)TLS 证书关联（DANE） |
| 53 | SMIMEA | S/MIME certificate associationS/MIME 证书关联 |
| 55 | HIP | Host identity protocol主机身份协议 |
| 60 | URI | URI recordURI 记录 |
| 64 | SVCB | Service binding服务绑定记录 |
| 65 | HTTPS | HTTPS / SVCB special useHTTPS / SVCB 专用记录 |
| 99 | SPF | Sender policy framework (legacy)发件人策略框架（旧） |
| 255 | ANY | All records (wildcard query)全部记录（通配查询） |
| 257 | CAA | Certification authority authorization证书颁发机构授权 |
Standard DNS resource record types (IANA registry). The numeric value is what appears in raw DNS packets and is used for DNS-over-HTTPS type queries.
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