Free tool
Free MX record lookup
See which mail servers accept mail for a domain and in what priority order.
Why it matters
What this record proves
MX records route inbound mail. Wrong or missing MX records mean replies to your outbound never reach you.
- Check the priority values — lowest number is tried first.
- Confirm the hosts match your mailbox provider.
- Remove stale records left over from a previous provider.
- Verify replies land before you scale a domain up.
Large volume orders
Ordering 1,000+ mailboxes? Let's build the plan together.
Most teams start self-serve in 15 minutes. If you're provisioning at high volume, a short call gets you negotiated pricing, a rollout schedule and domain strategy.