3 Services from mailcheck-dx.hugen.tokyo

Validates an email address by checking syntax, MX records, disposability, role-based status, and typos, returning a quality score

Checks whether a given email address is disposable or temporary (e.g. from a throwaway email service) to help block fake signups and fraud.

Performs MX DNS lookups and validates domain mail server configuration, including basic SMTP reachability and MX record checks.