Free Online DNS Checker
Run global propagation checks and DNS lookups for A, AAAA, MX, TXT, NS, and SOA records using custom resolvers. This free online DNS checker helps you validate changes quickly.
Lookup Input
Results
Results will appear here after running a lookup.
Tip: Use custom resolvers for verification.
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How the DNS checker works
Enter a hostname, pick a record type, and choose a resolver. The tool queries DNS records and groups them for quick auditing and troubleshooting.
Why this tool
- Quick answers for troubleshooting, migrations, and DNS hygiene checks.
- Record grouping with TTL, preference, and extra details where available.
- Consistent output formatting for easy copy and audit.
Best uses
- Verify DNS propagation across providers.
- Check MX routing before email cutovers.
- Confirm DKIM and TXT setup for email security.
Topics covered
This DNS checker covers common queries like MX, TXT, NS, and WHOIS lookups alongside standard DNS record checks.
DNS Checker FAQs
What is global DNS propagation?
DNS propagation is the time it takes for DNS changes to update across resolvers worldwide.
Use different resolvers to compare results.
Can I check MX and TXT records here?
Yes. Select MX or TXT record types to verify email routing and SPF/DKIM settings.