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Here's how 111000111.de protects its email

Checked August 01, 2026 23:32

Core protections

SPF

Partial

SPF is configured but only soft-fails unapproved servers, or its policy couldn't be read cleanly — spoofed mail may still get through.

Show raw DNS record

v=spf1 mx a include:_spf.webhosting.systems ~all

DKIM

Protected

A DKIM signing key was found — outgoing mail can be cryptographically verified as genuinely from this domain.

Show raw DNS record

s1

DMARC

Partial

DMARC is present but not set to reject, so mail that fails alignment may still be delivered or only flagged.

Aggregate reports are configured, so the domain owner gets visibility into who's sending on their behalf.

Show raw DNS record

v=DMARC1;p=quarantine;sp=quarantine;adkim=r;aspf=r;fo=1;rf=afrf;rua=mailto:supportanfrage@111000111.de

Advanced protections

Protection	What it does	Status
MTA-STS	Forces incoming mail to travel over an encrypted, verified connection.	Not found
TLS-RPT	Reports failures in that encrypted connection, so problems don't go unnoticed.	Not found
DNSSEC	Cryptographically signs DNS records so they can't be spoofed in transit.	Not found
BIMI	Shows a verified brand logo next to authenticated mail in the inbox.	Not found
CAA	Restricts which certificate authorities may issue TLS certificates for this domain.	Not found

Recommendation

What we'd fix first for 111000111.de

SPF isn't set to reject unapproved servers outright, so spoofed mail can still get through.
DMARC isn't set to reject failing mail, so spoofed messages may still reach an inbox.

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What do these mean?

What is SPF?

SPF (Sender Policy Framework) is a DNS record listing which mail servers are allowed to send email for a domain. Without it, anyone can forge the "From" address.

What is DKIM?

DKIM (DomainKeys Identified Mail) cryptographically signs outgoing email, letting the receiving server verify it wasn't altered in transit and really came from this domain.

What is DMARC?

DMARC tells receiving mail servers what to do with messages that fail SPF or DKIM checks — ignore them, quarantine them, or reject them outright.

What is MTA-STS?

MTA-STS forces incoming mail to this domain to travel over an encrypted, certificate-verified connection, closing off a common way attackers intercept mail in transit.

What is CAA?

A CAA record lists which Certificate Authorities are allowed to issue TLS certificates for a domain, making it harder for an attacker to get a fraudulent certificate issued elsewhere.