tools ▸ mx lookup

Where doesthe mail go?

List every MX record for a domain with its priority and resolved IP, and see which email provider is actually receiving the mail.

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mx lookup ▸ explained

What you need
to know.

Find the mail servers for a domain, their priority, IPs and detected provider.

Hosting with business email

priority

Lower number wins

Senders try the MX with the lowest priority value first and fall back to higher values if it is down.

provider

Who hosts your mail

We match MX hostnames to known providers — Google Workspace, Microsoft 365, Zoho Mail, cPanel and more.

backup

Redundancy

Two or more MX hosts mean mail keeps arriving if one server is offline for maintenance.

related ▸ more free tools

Keep going.

SPF Checker Validate your SPF record, count DNS lookups against the limit of 10 and spot errors. Open tool DMARC Checker Inspect your DMARC policy, reporting addresses, alignment and enforcement level. Open tool DKIM Checker Find and validate a DKIM public key by selector — or auto-detect common selectors. Open tool DNS Lookup Check A, AAAA, CNAME, MX, NS, TXT, SOA, CAA and SRV records for any domain. Open tool

All 42 free tools →

faq ▸ before you buy

MX Lookup — FAQ

What is an MX record?+

An MX (mail exchanger) record tells other mail servers which host accepts email for your domain, and in which order to try them.

Can an MX record point to an IP address?+

No. MX records must point to a hostname that has its own A or AAAA record. Pointing MX at a CNAME or a bare IP breaks delivery on many servers.

Why am I not receiving email after switching hosts?+

Usually the MX still points to the old provider, or the old TTL has not expired. Check the MX here and compare it with your new provider's setup guide.

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