TXT 记录查询
查找用于验证和配置的文本(TXT)记录
TXT records store arbitrary text data and are commonly used for domain verification, SPF, DMARC, and other configurations.
域名查询
输入域名,查找其 TXT 记录
什么是 TXT 记录?
TXT records allow domain administrators to insert arbitrary text into DNS records. They're commonly used for domain verification, email security policies, and various service configurations.
TXT 记录的常见用途:
- SPF 记录:邮件认证和防伪造
- DMARC 策略:邮件安全和报告策略
- 域名验证:为 Google、Microsoft 等服务证明所有权
- DKIM 密钥:邮件签名公钥
- 网站验证:搜索引擎和服务验证
- 安全策略:用于证书颁发机构授权的 CAA 记录
TXT 记录格式:
domain.com. IN TXT "v=spf1 include:_spf.google.com ~all"
TXT 记录可以包含任意文本数据,每个字符串最多 255 个字符,并允许多个字符串。
