DNS Lookup Tool | Free Online DNS Record Checker

Fast & Accurate

Get DNS results instantly with our optimized API integration

Fully Responsive

Works perfectly on all devices - desktop, tablet, and mobile

Secure & Private

We don't store your queries. All lookups are private

Multiple Records

Supports all common DNS record types

About DNS Lookup

DNS (Domain Name System) is the phonebook of the internet. It translates human-readable domain names into IP addresses that computers use to identify each other.

Common DNS Records:

A Record - Maps domain to IPv4 address
AAAA Record - Maps domain to IPv6 address
CNAME - Redirects one domain to another
MX Record - Directs email to mail servers
TXT Record - Stores text information
NS Record - Specifies name servers

How To Use

Enter a domain name in the input field (without http:// or https://)
Select the DNS record type you want to check
Click "Lookup DNS" to perform the query
Review the results in the table below

Tips:

Check multiple record types for comprehensive DNS info
Verify your DNS configuration after making changes
Use TXT records for domain verification and security
Check TTL values to see how long DNS changes take to propagate

Understanding DNS: The Foundation of the Internet

What is DNS and How Does It Work?

The Domain Name System (DNS) is a hierarchical and decentralized naming system that translates human-readable domain names like "example.com" into numerical IP addresses that computers use to identify each other on the network. This translation process is called DNS resolution and involves multiple steps:

Your browser checks its cache for a recent DNS query
If not found, it queries the operating system's DNS cache
The request is sent to your ISP's recursive DNS servers
Recursive servers query the root nameservers
Root servers direct to TLD (Top-Level Domain) nameservers
TLD servers direct to authoritative nameservers for the domain
Authoritative servers provide the DNS record information

Why DNS Management Matters

Proper DNS management is crucial for website performance, security, and reliability:

Website Availability: Correct DNS configuration ensures your website is accessible to visitors
Email Delivery: Proper MX records are essential for receiving emails
Security: DNS configurations help prevent phishing and spoofing attacks
Performance: Efficient DNS resolution speeds up website loading times
SEO Impact: While DNS doesn't directly affect SEO rankings, site availability and speed do

Common DNS Issues and Solutions

DNS problems can cause website downtime and email delivery issues. Here are some common problems:

Propagation Delays: DNS changes can take up to 48 hours to propagate worldwide
Incorrect Records: Double-check all record values for accuracy
TTL Settings: Lower TTL values before making changes to reduce propagation time
Nameserver Issues: Ensure your domain is using the correct nameservers
DNSSEC Problems: If enabled, ensure proper configuration to avoid validation failures

DNS Lookup Results