About MXFend
MXFend is a global-first email security and deliverability scanner. It helps any domain owner, anywhere, find and fix the DNS misconfigurations that cause email to land in spam or fail delivery entirely.
What MXFend does
MXFend runs a set of automated DNS and mail-server checks against your domain and turns the results into a plain-language security score, so you can see at a glance whether your domain is protected against spoofing and likely to reach the inbox.
The free tools are available to anyone, on any domain, with no signup required.
What we check
MXFend's automated checks cover:
SPF — which servers are authorised to send email for your domain.
DKIM — cryptographic signing of outgoing messages (selector-based, run separately).
DMARC — the policy for handling messages that fail SPF or DKIM, and alignment reporting.
MX — whether your domain has valid mail exchanger records.
SMTP TLS — whether your mailserver supports encrypted mail transport.
MTA-STS — enforced TLS delivery policy for inbound mail.
TLS-RPT — reporting on TLS delivery failures.
Blacklist / mailserver IP reputation — whether your sending infrastructure is listed on any major DNS blacklists.
The DNS Fix Report
When a scan finds issues worth fixing, MXFend can generate a DNS Fix Report: a one-time, implementation-ready paid report that turns the scan output into a prioritized action plan — which DNS records to add or change, which values are safe to copy directly, and how to verify the fix afterwards.
The report is only offered when there is meaningful, actionable work to do. A domain that already scores well with no significant findings will not be offered the paid report.