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DNS Lookup: Check Domain Name System Records

Inspect A, AAAA, MX, TXT, NS, SOA and CAA records for any domain.

Example:

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Query and analyze any domain’s complete DNS setup instantly with our free DNS Lookup tool. Retrieve critical A, AAAA, MX, CNAME, TXT, NS, and SOA records directly from authoritative global domain name servers.

What is DNS (Domain Name System)?

The Domain Name System (DNS) acts as the internet’s phonebook. It translates human-friendly domain names (like example.com) into numerical IP addresses (like 192.0.2.1) that web browsers and servers use to locate and communicate with each other.

Whenever you send an email or access a website, your system relies on DNS records to route traffic to the correct web host or mail server.

Supported DNS Record Types

Our DNS Lookup tool retrieves and displays all major record types:

  • A Record (Address): Maps a domain name to an IPv4 address.
  • AAAA Record (IPv6 Address): Maps a domain name to a 128-bit IPv6 address.
  • MX Record (Mail Exchange): Directs incoming emails to the domain’s designated mail servers.
  • CNAME Record (Canonical Name): Aliases one domain or subdomain name to another canonical domain.
  • TXT Record (Text): Stores text-based information, commonly used for email authentication protocols like SPF, DKIM, and DMARC.
  • NS Record (Name Server): Specifies the authoritative DNS servers responsible for managing the domain’s DNS zones.
  • SOA Record (Start of Authority): Contains essential administrative details about the domain zone, including serial numbers and refresh intervals.

Why Should You Perform a DNS Lookup?

Regularly checking your domain’s DNS configuration helps prevent service outages and delivery failures:

  • Verify Domain Migration: Ensure your A records point to your new web host IP address after migrating servers.
  • Troubleshoot Email Deliverability: Audit MX, SPF, and DKIM TXT records to prevent emails from going to spam or bouncing.
  • Check DNS Propagation: Confirm whether recent DNS changes have updated across global resolvers.
  • Security & Ownership Verification: Validate TXT records required for Google Search Console, SSL certificates, or domain verification.

How to Use the DNS Lookup Tool

  1. Enter Domain Name: Type your domain name (e.g., whatip.online or example.com) in the input field.
  2. Select Record Type: Choose a specific record type (like MX or TXT) or select ALL to view every record.
  3. Execute Search: Click the Lookup DNS button to fetch real-time DNS data.

Frequently Asked Questions (FAQs)

How long does DNS propagation take?

DNS propagation typically takes anywhere from a few minutes up to 24-48 hours worldwide, depending on the TTL (Time to Live) value set on your DNS records.

What is the difference between an A Record and a CNAME Record?

An A Record maps a domain directly to an IP address (192.0.2.1), while a CNAME Record points a subdomain (sub.example.com) to another domain name (example.com).