A, AAAA, CNAME, MX, NS, TXT, SOA, SRV, CAA.
ResolverDock · DNS Tools Platform
Inspect DNS records, email policies, and zone health in one clean workspace.
ResolverDock helps you verify A, AAAA, CNAME, MX, NS, TXT, SOA, SRV, and CAA records, review SPF and DMARC coverage, export results, and plug the same lookup engine into your own tools.
Quick lookup
Paste a domain or full URL
Spot missing or incomplete mail authentication policies quickly.
Export results or reuse the endpoint in your own workflows.
Core features
Built for fast DNS diagnostics
A simple interface with practical checks for websites, email, and infrastructure work.
Live DNS lookup
Query one record type or inspect everything at once from the same page.
Mail policy visibility
Review MX routing plus SPF and DMARC signals without leaving the workflow.
Developer-ready API
Use the same lookup engine programmatically through a clean endpoint.
Clean exports
Download JSON or CSV for reporting, client handoff, and technical reviews.
Use cases
Useful for launches, migrations, and troubleshooting
Verify website records after DNS changes.
Check MX, SPF, and DMARC when email delivery is failing.
Export a clean DNS snapshot for clients and internal tickets.
Reuse the endpoint from scripts or internal dashboards.
API preview
Call the endpoint directly
/api?domain=example.com&type=MX
Ready
Run your first lookup now
Use the lookup page for live queries, health checks, and exports.