DNS Intel Tool

Free DNS
Checker

Instantly look up all DNS records for any domain. Uses Google's live DNS resolver for accurate, real-time results.

A & AAAA — IPv4 and IPv6 addresses
MX — mail server routing
NS — authoritative nameservers
TXT — SPF, DKIM, verification tokens
CNAME — hostname aliases
Live Google DNSNo signupInstant results

Checks A, AAAA, MX, NS, TXT and CNAME records via Google DNS

DNS Record Types Explained

All 6 record types this tool checks — and what each one means

A

Maps a domain to an IPv4 address. The most fundamental DNS record.

AAAA

Maps a domain to an IPv6 address (128-bit IP, next-generation format).

MX

Mail Exchange — tells email servers where to deliver email for the domain.

NS

Nameserver — specifies which DNS servers are authoritative for the domain.

TXT

Freeform text — used for SPF, DKIM, domain verification tokens.

CNAME

Canonical Name — an alias pointing one hostname to another hostname.

What Can You Use DNS Checker For?

Whether you're a developer, sysadmin, or business owner, DNS lookups are a daily necessity when managing websites, emails, and infrastructure.

Verify DNS propagation
After updating A records, MX records, or nameservers — confirm the changes have taken effect globally.
Debug email delivery issues
Check MX records to ensure email is routing to the correct mail server (Google Workspace, Zoho, cPanel, etc.).
Verify SPF and DKIM records
Confirm TXT records for SPF (Sender Policy Framework) and DKIM are correctly published to prevent email spoofing.
Check CDN and proxy setup
Verify A records point to Cloudflare, AWS, or your server's IP after a CDN migration.
Troubleshoot website not loading
Quickly identify if the domain's A record points to the correct server IP.

How to Use the DNS Checker

1
Enter the domain
Type the domain name (e.g. example.com) — no www or http needed.
2
Click Lookup
The tool queries Google's DNS-over-HTTPS API for all major record types simultaneously.
3
Analyse results
Each record type is displayed with colour-coded labels and explanations of what each value means.

DNS Checker — FAQs

What is a DNS record?

DNS records are instructions stored in DNS servers that tell the internet where to route traffic for a domain. Common types include A (IPv4), MX (mail server), NS (nameserver), TXT (text verification), and CNAME (alias).

What is an A record?

An A record maps a domain name to an IPv4 address. When you visit a website, your browser looks up the A record to find the server's IP address.

What is an MX record?

An MX (Mail Exchange) record specifies the mail server responsible for receiving email on behalf of a domain. Multiple MX records can exist with different priorities.

How do I check DNS propagation?

After changing DNS records, use the DNS Checker to look up your domain and see the current records. DNS changes can take up to 48 hours globally, though often propagate within minutes.

What is a TXT record used for?

TXT records hold text information and are commonly used for domain verification (Google Search Console, Brevo), SPF (email spam prevention), and DKIM (email signing).

What is the difference between A and CNAME records?

An A record maps a hostname directly to an IP address. A CNAME is an alias — it maps one hostname to another. For example, www.example.com might CNAME to example.com.

Related Free Tools

Whois Checker
Find domain owner, registrar, registration & expiry dates
Website Built With
Detect the technology stack behind any website

Need DNS Configuration Help or a New Website?

Our team handles full infrastructure setup, DNS, SSL, and web development.

Talk to Our TeamWeb Design Services