DNS lookup is the process of querying a Domain Name System server to find the network information associated with a domain name, such as its IP address or mail server details.

Yes, our DNS Lookup tool is 100% free for everyone to use.

Can I troubleshoot domains?

Yes, checking DNS records is a fundamental part of troubleshooting domain connection issues, email delivery problems, and verifying domain ownership.

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DNS Lookup

Q: Which records can I check?

You can check all major DNS record types including A, AAAA, MX, TXT, NS, CNAME, and SOA.

Query Domain Name System records instantly to check A, MX, TXT, and NS records for any domain worldwide.

Type	Name	TTL	Data / Value
Enter a domain name above to lookup DNS records.

What is DNS?

DNS (Domain Name System) is often referred to as the phonebook of the internet. It is a hierarchical and decentralized naming system for computers, services, and other resources connected to the internet or a private network. It translates human-readable domain names (like google.com) into numerical IP addresses (like 142.250.190.46) that computers use to identify each other.

Types of DNS Records

A Record: The most basic type. It maps a domain name to an IPv4 address.
MX (Mail Exchange): Specifies the mail server responsible for receiving email on behalf of the domain.
TXT: Allows administrators to insert arbitrary text into a DNS record. Commonly used for security verification (like SPF, DKIM) and domain ownership proofs.
NS (Name Server): Indicates which DNS servers are authoritative for the domain.
CNAME: Maps an alias name to a true or canonical domain name. Used for subdomains or pointing one domain to another.
AAAA: Similar to an A record, but it maps a domain to an IPv6 address.

How DNS Lookup Works

When you perform a DNS lookup, your browser or tool sends a query to a DNS resolver. This resolver then traverses the DNS hierarchy—from the root servers to the Top-Level Domain (TLD) servers, and finally to the authoritative name servers—to retrieve the specific records you requested. These records are often cached to speed up subsequent requests.

Troubleshooting DNS Issues

DNS problems are a common cause of website downtime and email delivery failures. Using a DNS Lookup tool allows you to verify that your records have propagated correctly and are pointing to the intended servers. If your MX records are missing, you won't receive emails. If your A record is incorrect, your website will be unreachable. Regular DNS checks are a best practice for any website owner or developer.

Frequently Asked Questions (FAQ)

What is DNS lookup?

DNS lookup is a query process used to retrieve information about a domain name from DNS servers. It returns data such as IP addresses, mail servers, and text verification records.

Is this tool free?

Yes, our DNS Lookup tool is 100% free and requires no registration.

Which records can I check?

We support all major records including A, MX, TXT, NS, CNAME, AAAA, and SOA.

Why are my changes not showing yet?

DNS records have a TTL (Time To Live) setting. Once you update a record, it can take anywhere from a few minutes to 48 hours to propagate across all DNS servers globally.