Definitions

MX Found: Indicates whether a domain has valid Mail MX records for email delivery
MX Record: Displays the mail server responsible for handling a domain’s email traffic
SMTP Provider: Identifies the email service provider managing the domain
SPF Found: Indicates whether a domain has a valid SPF record for email authentication
Valid: A verified email address with a very low chance of bouncing
Invalid: An email address that does not exist or is undeliverable
Catch-All: A domain that accepts all emails, making individual validity uncertain
Spam Trap: An email used to detect spam senders, which can harm sender\’s reputation
Unknown: An email with inconclusive verification results due to server issues