How do I find which email provider a company uses?
Enter their domain. The MX records show the provider, for example aspmx.l.google.com means Google Workspace.
Email Tools
MX Lookup
See MX records, IPs and the email provider for any domain.
How it works
1
Enter a domain
Or any email address on it.
2
See the MX records
Priority, mail server and IP address for each record.
3
Spot problems
We flag missing MX records and mail servers that do not resolve.
What MX records do
MX (mail exchanger) records tell the world which servers receive email for a domain. The lowest priority number is tried first, and higher numbers are backups.
MX Lookup features
- All MX records with priority and IP addresses.
- Detects the email provider: Google Workspace, Microsoft 365, Hostinger, Zoho, GoDaddy and more.
- Flags missing MX records, null MX and servers that do not resolve.
MX Lookup FAQ
What happens if a domain has no MX records?
It cannot receive email, and many spam filters distrust email from domains that cannot receive replies.
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