Network ToolsDNS Lookup
Free DNS Lookup Tool

DNS Lookup

Check DNS records for any domain and quickly see whether core records like A, AAAA, MX, NS, TXT, CNAME, and SOA are present and resolving properly.

A & AAAA recordsMX & NS recordsTXT & CNAME checksSOA lookupFree troubleshooting tool
Quick checks

See the most important DNS records fast.

Troubleshooting

Helpful when a website or email is not behaving as expected.

Clearer context

Understand whether a problem may be DNS-related.

๐Ÿ”This DNS lookup checks authoritative name servers and public resolvers to verify whether a domain is properly resolving across the internet.
A
IPv4 address
AAAA
IPv6 address
MX
Mail servers
NS
Name servers
TXT
Text records
CNAME
Alias
SOA
Zone authority

What this DNS lookup tool shows

This page helps you inspect the key DNS records behind a domain so you can understand whether it is configured correctly for websites, email, or related services.

That makes it useful for developers, operations teams, founders, marketers, and support teams who want a quick DNS snapshot without switching between multiple tools.

Why it matters

Many website and email problems are actually DNS issues, so a fast lookup can save time before deeper troubleshooting.

What is DNS?

Diagram showing how DNS resolution works

DNS translates domain names like google.com into IP addresses that computers use to reach each other on the internet.

What is an A record?

An A record maps a domain name to an IPv4 address and is one of the most important DNS records for websites.

What are nameservers?

Nameservers are the authoritative servers responsible for answering DNS queries about a domain and serving its DNS records.

What does NXDOMAIN mean?

NXDOMAIN means the queried domain does not exist in DNS, usually because it was mistyped, expired, or never configured.

Is the problem DNS or the website server?

If DNS resolves but the website still fails, the server is more likely the problem. If DNS itself fails, the issue starts before the server is even contacted.

Why DNS cache causes website errors

Browsers, devices, and ISPs cache DNS records temporarily, so stale DNS data can make a website look broken even after records have been updated.

Why DNS issues feel confusing to users

DNS problems can be hard to spot because they do not always fail the same way for everyone. One user may load the site normally, another may reach an old server, and a third may see an error page.

Why this page is useful during launches and migrations

DNS checks are especially useful during domain launches, hosting changes, email migrations, CDN changes, and verification setups.

Frequently asked questions

Can DNS issues make a website look down?

Yes. If the domain is not resolving, the site can appear offline even if the server itself is still working.

Can this help with email issues?

Yes. MX and TXT records are often relevant when diagnosing mail delivery and routing problems.

What if no records are returned?

That can indicate missing configuration, resolver problems, expired domains, or nameserver issues.

Who is this tool for?

It is useful for developers, IT teams, support teams, marketers, and anyone troubleshooting websites or email domains.