所有工具
DNS
DNS 查询
查询任意域名的 A、AAAA、MX、NS、TXT、CNAME 和 SOA 记录。
关于此工具
Run a free DNS lookup online to inspect A, AAAA, MX, TXT, CNAME, and NS records from one place. It is ideal for diagnosing domain propagation issues, mail routing errors, and unexpected resolver responses.
This DNS checker helps DevOps and support teams validate live configuration after DNS changes. Fast record visibility shortens incident response when a domain stops resolving correctly.
常见问题
- Which record types can I check?
- You can inspect common records such as A, AAAA, MX, TXT, CNAME, and NS to validate web and email configuration.
- How is DNS lookup useful after migration?
- It confirms whether new records are visible and helps detect stale propagation that can break traffic routing.
- Can DNS lookup find email delivery problems?
- Yes, reviewing MX and TXT records quickly reveals many misconfigurations that affect mail delivery and authentication.