Status: UP
Deliverability Letter

DNS Lookup Tool

Query DNS records for any domain. Support for all major record types including A, AAAA, MX, TXT, CNAME, NS, SOA, and more.

Test with Common Domains:

About DNS Record Types

The Domain Name System (DNS) uses various record types to store different kinds of information about domains.

Common Record Types:

  • A: Maps domain to IPv4 address
  • AAAA: Maps domain to IPv6 address
  • MX: Specifies mail exchange servers
  • TXT: Stores text information (SPF, DKIM, etc.)
  • CNAME: Creates domain aliases
  • NS: Delegates domain to nameservers

Email-Related Records:

  • MX: Mail server configuration
  • TXT: SPF, DKIM, DMARC policies
  • PTR: Reverse DNS for mail servers
  • SRV: Service discovery for email
  • CAA: Certificate authority authorization