DNS Lookup

Query DNS records for any domain (A, AAAA, MX, NS, TXT, CNAME, SOA)

DNS Record Types

AIPv4 address
AAAAIPv6 address
MXMail server
NSName servers
TXTText records (SPF, DKIM)
CNAMECanonical name (alias)

DNS Lookup: Complete Guide to Domain Name System Records

DNS (Domain Name System) is the internet's phonebook, translating human-readable domain names into IP addresses that computers use to communicate. Our free DNS lookup tool allows you to query all types of DNS records for any domain.

Understanding DNS Record Types

A Record (Address)

Maps a domain name to an IPv4 address. This is the most fundamental DNS record type.

AAAA Record (IPv6)

Maps a domain to an IPv6 address. Essential for modern internet connectivity.

MX Record (Mail Exchange)

Specifies mail servers responsible for receiving email for your domain.

NS Record (Name Server)

Identifies the authoritative DNS servers for your domain.

Common Uses for DNS Lookup

  • Troubleshooting website issues - Verify your domain points to the correct server
  • Email deliverability - Check MX records and email authentication
  • Domain transfer verification - Ensure DNS records migrated correctly
  • Security auditing - Review TXT records for security policies

Frequently Asked Questions

Why do I see multiple A records for one domain?

Multiple A records are used for load balancing and redundancy. DNS will rotate through these IP addresses, distributing traffic across multiple servers.

What does it mean if no DNS records are found?

This could indicate the domain doesn't exist, has expired, or the DNS servers are not properly configured.