All utilities
DNS
DNS lookup
Query A, AAAA, MX, NS, TXT, CNAME, and SOA records for any domain.
About this tool
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.
Frequently asked questions
- 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.