Network Tools
Check MX records for a domain and see where its email is supposed to be delivered.
Use this free MX Record Lookup tool to check the mail exchange records for a domain and see which servers are configured to receive email for it. It is useful for troubleshooting email delivery problems, verifying mail provider setup, checking migration changes, reviewing priority values, and confirming whether a domain is pointed to the expected mail service before deeper SMTP or inbox troubleshooting.
Use this free MX Record Lookup tool to check the mail exchange records for a domain and see which servers are configured to receive email for it. It is useful for troubleshooting email delivery problems, verifying mail provider setup, checking migration changes, reviewing priority values, and confirming whether a domain is pointed to the expected mail service before deeper SMTP or inbox troubleshooting.
Use mx record lookup when you need a fast browser-based result without extra setup. It works well for quick checks, one-off tasks, and routine formatting or calculation work.
MX Record Lookup focuses only on mail exchange records and their priorities. DNS Lookup gives a broader view of multiple record types such as A, MX, TXT, NS, and CNAME. If your question is specifically about incoming email routing, the MX tool is the more direct option.
MX Record Lookup shows how mail is routed for a domain. WHOIS Lookup shows registration and registrar-related information. If the issue is email delivery, MX records are usually much more useful than WHOIS data.
If you need a broader DNS overview around the same domain, use DNS Lookup. If you want to confirm nameserver delegation before mail troubleshooting, open NS Record Lookup. If you need registrar and expiration context as well, use WHOIS Lookup.
Read step-by-step usage guidance, best practices, and common mistakes.
See common questions and answers about input, output, and tool usage.
Review practical input and output examples before running the tool.
Find similar and supporting tools for adjacent actions and follow-up tasks.
Input
example.com
Output
Priority and mail server hostnames
Useful for confirming which service is receiving mail for the domain.
Input
mydomain.net
Output
Current MX records with priorities
Helpful when checking whether email routing moved to the new provider.
Input
projectsite.org
Output
Live MX records currently visible
Useful when troubleshooting whether email changes have propagated.
Input
branddomain.com
Output
MX hosts with preference values
Helpful when checking failover order between primary and backup mail servers.
Input
clientdomain.io
Output
MX records pointing to the active provider
Useful when verifying whether the domain is using Google Workspace, Microsoft 365, or another service.
Input
simpledomain.dev
Output
No MX records found
Useful when diagnosing why email may not be routed as expected.
Input
not a real domain
Output
Invalid domain or no MX data found
The lookup fails when the domain format is invalid or cannot be resolved.
Input
newmaildomain.co
Output
Current MX records returned by DNS
Helpful right after onboarding a new domain to a mail service.
Fix: MX records are only one part of mail setup. TXT, SPF, DKIM, DMARC, mailbox provisioning, and provider-side settings may also matter.
Fix: Check both the mail hostnames and their priority order to understand primary and backup routing.
Fix: Allow time for propagation and caching, especially after migration or provider changes.
Fix: MX records control incoming mail routing, not website resolution.
Fix: Use MX as a routing check, then continue with broader mail diagnostics if delivery still fails.
An MX record lookup shows which mail servers are configured to receive email for a domain and what priority each one has.
MX Record Lookup focuses only on mail exchange records, while DNS Lookup provides a broader view of multiple DNS record types.
Yes. MX records often reveal which mail service or provider is handling incoming email for the domain.
Priority values help determine which mail server should be tried first and which ones act as backups.
It may mean the domain does not have explicit MX records configured, or the lookup failed because of DNS or domain issues.
Yes. Mail can still fail because of TXT-related policies, provider settings, mailbox issues, or broader DNS and routing problems.
Yes. It is one of the fastest ways to confirm whether the new mail routing is visible.
MX records control incoming mail routing, while A records map hostnames to IP addresses for general network resolution.
Yes. It is useful for confirming that a domain points to the expected provider's mail servers.
Use DNS Lookup when you need a broader record overview, especially if the issue may involve TXT, NS, or other DNS records beyond MX.