DNS Lookup

Generate a DNS Lookup information for your domain.

Last 10 Test Results

Free Online DNS Checker/Tester Tool

Check all your DNS records

Discover what DNS servers around the world are reporting for your domain name. The DNS checker provides free DNS lookups to find out how far your domain has propagated.

Getting from A to TXT

Make sure you monitor your DNS server's key DNS records like A, AAAA, SOA, NS, and CNAME TXT to be aware of anyone tampering with it.

Super easy to use

Enter the domain name, click on analyze and instantly you will get the corresponding DNS records within a matter of minutes. No need to install any software.

FAQs regarding DNS Lookup

What is DNS Lookup?

DNS Record Lookup is an online domain tool available for free that queries DNS records based on a domain name. The information it provides is like that provided by the command-line tools dig and nslookup.

It converts the easy-to-remember domain names into computer-friendly IP addresses (like It's the same as looking up a number in your phone contact list.

What are the different types of DNS lookups?

Forward DNS Lookup

This lets you convert the human-readable domain name into a computer-friendly IP address. Enter the domain name and retrieve the corresponding DNS records.

Reverse DNS Lookup

It differs completely from Forward DNS Lookup. It is used to get the domain from the ‌IP address.

What should one look for in a DNS report?

Information about a domain is contained in a DNS record. There is information about what IP address is associated with that domain, as well as what queries are processed for that domain.

Here are some of the most common DNS records:

  1. A record - Record that holds the IPv4 address of the domain.

  2. AAAA record - Record that holds the IPv6 address of the domain.

  3. CNAME - Points to the domain or sub-domain, not an IP address.

  4. MX record - Displays the SMPT server for the domain.

  5. NS - Provides the details of the Authoritative Name Server of the domain.

  6. TXT - Provides encryption details, sender policy information, DKIM, and DMARC.

How do you do a DNS Lookup?

Enter the URL and click on the "Analyze" button to check if your DNS is functioning correctly. The CNAME for your site is the hostname if you are a Nexcess customer.

What is the port used by DNS?

DNS uses both TCP and UDP port 53. The most frequently used port in DNS is the UDP 53. In almost all cases, it is accessible from systems, firewalls, and clients.

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