Free DNS Tool

DNS Lookup & Checker

Check DNS records for any domain instantly. Verify DNS propagation, troubleshoot email delivery issues, and ensure your DNS configuration is correct.

DNS Record Types Explained

Understanding different DNS record types and what they do.

A

A Record

Maps a domain name to an IPv4 address (e.g., 192.168.1.1). This is the most fundamental DNS record type.

AAAA

AAAA Record

Maps a domain name to an IPv6 address. Similar to A records but for the newer IPv6 protocol.

MX

MX Record

Specifies the mail servers responsible for receiving email for your domain. Essential for email delivery.

CNAME

CNAME Record

Creates an alias from one domain name to another. Used to point subdomains to other domains.

TXT

TXT Record

Stores text information for various purposes including domain verification, SPF, and DKIM records.

NS

NS Record

Specifies the authoritative nameservers for your domain. Tells the internet where to find your DNS records.

Why Use DNS Checker?

DNS lookup is essential for website management and troubleshooting.

  • Verify Propagation: Check if DNS changes have propagated.
  • Troubleshoot Email: Diagnose email delivery issues.
  • Verify Configuration: Ensure DNS is set up correctly.
  • Debug Issues: Identify DNS-related problems.
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DNS Checker FAQs

Common questions about DNS and how to use our DNS lookup tool.

DNS (Domain Name System) is like the internet's phonebook. It translates human-readable domain names (like example.com) into IP addresses that computers use to communicate with each other.

Our DNS checker supports all common record types including A, AAAA, CNAME, MX, TXT, NS, SOA, PTR, SRV, and CAA records.

DNS changes typically propagate within 24-48 hours, though they can sometimes complete in minutes. The time depends on TTL (Time To Live) values and DNS server caching.

DNS propagation happens gradually across the internet. During propagation, some servers may have updated records while others still have cached older values.

A DNS lookup is the process of querying DNS servers to find the IP address or other records associated with a domain name. It's how your browser finds where to go when you type a website address.

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