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Free DNS Lookup Tool

DNS Checker & DNS Propagation Tool

Check your domain's DNS records instantly. Look up A, AAAA, CNAME, MX, TXT, NS, CAA and SOA records, and verify whether DNS changes are propagating correctly across the internet.

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Useful for website launches, server migrations, email setup, SSL validation and troubleshooting DNS issues.

Check DNS Records

Instantly inspect the most important DNS record types for any domain.

Verify Propagation

Confirm whether recent DNS changes are live and resolving correctly.

Troubleshoot Email

Check MX and TXT records when email delivery or verification fails.

Check Domain Setup

Validate nameservers, canonical records and authority settings.

What can you check with this DNS tool?

This DNS checker helps you inspect the most important DNS records for your domain. Whether you are moving to a new host, setting up professional email, configuring subdomains or validating SSL-related DNS settings, this tool gives you a fast overview of your current DNS configuration.

DNS updates are not always visible immediately. Some providers cache older results, which can make a domain appear inconsistent across different networks. A proper DNS lookup helps you confirm what is actually published.

Supported DNS record types

A record

Points your domain to an IPv4 address.

AAAA record

Points your domain to an IPv6 address.

CNAME record

Aliases one hostname to another hostname.

MX record

Specifies which mail servers handle your email.

TXT record

Used for SPF, domain verification and other text-based DNS data.

NS record

Shows which nameservers are authoritative for the domain.

CAA record

Controls which certificate authorities may issue SSL certificates.

SOA record

Contains administrative and authority information for the domain.

When should you use a DNS checker?

  • After changing your hosting provider
  • After updating nameservers
  • When email is not arriving
  • When SPF or verification TXT records fail
  • When a subdomain does not resolve correctly
  • When SSL certificate issuance is blocked
  • When you want to confirm your live DNS setup

Frequently Asked Questions

Enter your domain name into the DNS checker and choose the record type you want to inspect, such as A, MX, TXT or NS. The tool will then show the published DNS results for that domain.

DNS propagation can take anywhere from a few minutes to 24 or 48 hours. The exact time depends on TTL settings, resolver cache duration and how quickly providers refresh DNS data.

The most common reason is DNS cache. Even if you already updated the records, some networks and DNS resolvers may still return the old values until their cache expires.

Select the MX record type and enter your domain name. The result will show which mail servers are configured to receive email for your domain and in which priority order.

Choose TXT as the record type and search for your domain. TXT records are often used for SPF, domain ownership verification, security policies and other service-related configuration.

An A record maps a domain or hostname to an IPv4 address. It is one of the most common DNS records and is usually essential for websites to resolve correctly.

A CNAME record creates an alias from one hostname to another. It is commonly used for subdomains like www, tracking domains and service integrations.

Select the NS record type and search for the domain. The tool will show the authoritative nameservers currently configured for that domain.

A CAA record tells certificate authorities which providers are allowed to issue SSL certificates for your domain. It helps improve certificate issuance control.

The SOA record contains important administrative details about a DNS zone, such as the primary nameserver, contact information, serial number and refresh settings.

Email problems after DNS changes are often caused by incorrect MX records, missing SPF TXT records, propagation delays or a mismatch between your mail provider settings and your live DNS configuration.

Yes, this DNS checker is free to use and helps you inspect common DNS records quickly and easily.
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