DNS Lookup Tool

Check Domain Name System records for any domain instantly. Our free DNS lookup tool helps you query A, AAAA, MX, NS, CNAME, TXT, and other DNS records to troubleshoot domain issues and verify DNS configurations.
Reset

What is DNS Lookup?

DNS (Domain Name System) lookup is the process of querying DNS servers to retrieve information about a domain name. When you perform a DNS lookup, you can discover various types of DNS records that contain important information about how a domain is configured.

Tool Features

Comprehensive DNS Query:
Check all major DNS record types in one search
Instant Results:
Get DNS information in real-time
Free to Use
No registration or payment required
Domain Validation:
Automatic validation of domain name format
Export Results:
Copy or save DNS lookup results

Common DNS Record Types?

A Record
Maps a domain name to an IPv4 address (32-bit)
​
AAAA Record
Maps a domain name to an IPv6 address (128-bit)
​
MX Record
Specifies mail exchange servers for the domain
​
NS Record
Indicates the authoritative name servers for the domain
​
CNAME Record
Creates an alias that points to another domain name
​
TXT Record
Contains text information for various purposes like SPF, DKIM, or verification
​
PTR Record
Provides reverse DNS lookup (IP address to domain name)
​
SOA Record
Contains administrative information about the DNS zone
​

When to Use DNS Lookup

Website Troubleshooting:
Diagnose why a website isn't loading
Email Configuration:
Verify MX records for email setup
Domain Migration:
Check DNS propagation after changing hosting
Security Analysis:
Verify SPF, DKIM, and DMARC records
Network Administration:
Monitor DNS configurations and changes
Domain Research:
Check DNS propagation after changing hosting

Common DNS Record Types?

Enter the domain name you want to look up in the search field above
​
Click the "Search" button to initiate the DNS query
​
View the results showing all available DNS records for the domain
​
Analyze the information to troubleshoot issues or verify configurations
​
Use the "Reset" button to clear the form for a new lookup
​
Content length
​

Frequently Asked Questions

What is the difference between A and AAAA records ?
A records point to IPv4 addresses (like 192.168.1.1), while AAAA records point to IPv6 addresses (like 2001:db8::1). Most websites have both types to support all internet users.
Why might a DNS lookup fail ?
DNS lookups can fail due to network issues, incorrect domain names, DNS server problems, or if the domain doesn't exist or has expired.
How often should I check my DNS records?
Check DNS records whenever you make hosting changes, experience website issues, or set up new services like email. Regular monitoring is recommended for critical domains.
Can I use this tool for any domain ?
Yes, you can look up DNS records for any publicly registered domain name. Private or internal domains may not return results.