Does the DNS checker edit my records?
No. It is read-only and only reports what should be reviewed or fixed.
Website Intelligence · DNS
Free DNS Checker
Check A, AAAA, MX, SPF, DKIM, and DMARC records and get a DNS health score in seconds. No signup required.
How it works
Fast answers, clear next steps
- Step 1
Enter a domain to inspect key website and email DNS records.
- Step 2
NexusAI checks common DNS and email-authentication signals and calculates a DNS health score.
- Step 3
Use the recommendations to fix website routing, business email, and deliverability issues.
What it checks
- A and AAAA records for website routing.
- MX records for mail delivery.
- SPF records for sender authorization.
- DKIM and DMARC readiness for email trust.
- DNS and email-related recommendations.
Common DNS issues
- Website domain points to the wrong server or does not resolve.
- Business email cannot receive messages because MX records are missing.
- Emails land in spam because SPF, DKIM, or DMARC are incomplete.
- A domain launch needs DNS verification before going live.
Upgrade path
Repair DNS and email trust
NexusAI can help configure DNS records, set up business email, and keep the domain monitored after launch.
NexusAI Cloud next steps
Turn this free result into a managed launch
Use the tool result as the starting point for a website, business email, domain monitoring, or a cloud project with NexusAI.
FAQ
Why do SPF, DKIM, and DMARC matter?
They help receiving mail servers trust your domain and reduce spoofing, phishing, and spam placement.
Can I use this before launching email?
Yes. It is useful before and after setting up business email.
What should I do if DNS is broken?
Use NexusAI Domain Center, business email setup, or a managed DNS review to fix the records safely.
Turn this into a project
Send the result to NexusAI
Capture your domain or tool result and request help with website launch, business email, monitoring, or cloud infrastructure.
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