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mailbox.org

mailbox.org is configured to receive email — it has 5 mail servers (MX records).

Mail servers (MX)

PriorityMail exchanger
1mx4.mailbox.org
2mx3.mailbox.org
3mx2.mailbox.org
4mx1.mailbox.org
5mx-n.mailbox.org

Email DNS facts

Accepts mailYes
Catch-allUnknown
SPF recordYes v=spf1 ip4:213.203.238.0/25 ip4:195.10.208.0/24 ip4:91.198.250.0/24 ip4:80.241.56.0/21 ip6:2001:67c:2050::/48 mx ~all
DMARC recordYes v=DMARC1; p=reject; adkim=r; aspf=r; pct=100; rua=mailto:abuse+arf@heinlein-support.de; rf=afrf; fo=1;

What does this mean?

These are public DNS facts about the domain mailbox.org. MX records list the servers that accept mail for the domain. SPF and DMARC are DNS policies that help receivers fight spoofing. A catch-all domain accepts mail to every address, so the existence of a single mailbox cannot be confirmed.

This page does not reveal any individual email address or whether a specific mailbox exists — to verify one address, use the email checker.

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