Web tools

DNS Lookup

Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.

A AAAA CNAME MX NS TXT SOA CAA

What is DNS Lookup?

The DNS Lookup tool queries authoritative DNS servers to retrieve all records associated with a domain name: A, AAAA, CNAME, MX, NS, TXT, SOA and CAA. Essential for diagnosing DNS propagation issues, email delivery problems, or SSL configuration.

DNS Record Types

A

IPv4 address — maps domain to IP

AAAA

IPv6 address — maps domain to IPv6

CNAME

Alias — redirects to another hostname

MX

Mail server — email routing priority

NS

Name servers — authoritative DNS servers

TXT

Text data — SPF, DKIM, verification

SOA

Zone authority — zone config & serial

CAA

SSL authority — authorized CAs only

How to use this tool?

  1. 1Enter the domain name (e.g. example.com) in the search field
  2. 2Click the submit button to run the DNS query
  3. 3Review the returned records for each DNS type

Common Use Cases

  • Verify DNS propagation after a hosting or registrar change
  • Diagnose email delivery issues (MX, SPF, DKIM via TXT)
  • Confirm SSL/CAA records are correctly configured
  • Inspect authoritative name servers (NS records)
  • Check CNAME aliases and redirects
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