A Records
Maps a domain name to an IPv4 address (e.g: 192.168.1.1). This is the most basic and fundamental record type.
When it appears: Every time you access a website.
DNS Record Lookup
What are DNS Records?
DNS records (Domain Name System) are instructions that control how your domain works on the internet. They include configurations for:
MX Records
Specifies the mail server that receives emails for your domain. Includes priority for redundancy.
When it appears: When someone sends you an email to your domain.
CNAME Records
Creates an alias (nickname) for another domain. Used for subdomains like www or blog.
When it appears: When accessing subdomains.
TXT Records
Stores arbitrary text. Used for SPF, DKIM, DMARC (email verification) and domain verification.
When it appears: Gmail verification, Microsoft 365, SSL certificates.
NS Records
Specifies the authoritative DNS servers for your domain. Controls who manages your DNS.
When it appears: At the domain root.
AAAA Records
IPv6 version of A records. Maps a domain name to an IPv6 address (e.g: 2001:db8::1).
When it appears: In domains with IPv6 support.
How to Use the DNS Checker
1
Enter your domain
Type the domain name (e.g: google.com) in the search box. Without http:// or www.
2
Select record type
Choose which record types you want to see: A, MX, TXT, CNAME, NS, AAAA or all.
3
Click "Lookup"
Wait 1-2 seconds while we query the DNS servers in real time.
4
Analyze results
See all configured records. Export as JSON or CSV if needed.
Common Use Cases
🔧 DNS Troubleshooting
Verify if your DNS has propagated correctly after server changes.
📧 Email Delivery Issues
Check MX, SPF and DKIM records to diagnose why emails aren't arriving.
🔐 Security Verification
Query TXT records to confirm that domains are verified with Google, Microsoft, etc.
🌐 Hosting Migrations
Verify that A records point to your new server IP.
🔗 CDN Configuration
Validate that CNAMEs are correct for Cloudflare, AWS CloudFront, etc.
⚡ Performance Optimization
Review DNS configuration to identify performance bottlenecks.
Frequently Asked Questions
Is it completely free?
Yes, 100% free. No limits, no signup, no intrusive ads.
Is my data stored?
No. Everything is processed in your browser. Domains you check are NOT stored or tracked.
How long does a new DNS record take to appear?
DNS propagation typically takes 24-48 hours globally. Some changes appear in minutes.
What's the difference between A and AAAA?
A is IPv4 (e.g: 192.168.1.1). AAAA is IPv6 (e.g: 2001:db8::1). IPv6 is more modern but less common.
How do I know if my email is set up correctly?
Check MX records (must have at least one). Also validate SPF in TXT records.
Can I use this on domains I don't own?
Yes. DNS records are public information. Use it to diagnose issues on any domain.
Lookup History
Save and compare DNS records from previously checked domains.