~ email tools

MX Lookup

MX Lookup shows where a domain receives mail. It is a focused email tool for validating mail exchanger hosts and priority order.

What It Shows

• Mail exchanger hostnames.
• MX priorities.
• Missing or empty MX records.
• Basic routing hints for email delivery checks.

When To Use It

Use it before blaming a mailbox, after moving email providers, when checking whether a domain can receive mail, or when reviewing a bounced message path.

Good Follow-Ups

• Check SPF, DMARC, and DKIM for outbound authentication.
• Use DNS Lookup for TXT verification records.
• Use Reverse DNS and Blacklist Check for sender reputation.