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RequestGuard Domain Intelligence
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Website security report

Web and mail posture

facebook.com

Domain intelligence

Security Report for facebook.com

A closer look at this domain’s security, infrastructure, and public records. Findings first, with the evidence behind every result.

Explore the report
Website security grade Not checked Run a website scan

Email & DNS Security

Mail authentication posture and DNS security controls

Reject policy

Published DMARC action: reject

DMARC asks receivers to reject messages that fail aligned SPF or DKIM checks.

Mail · Not classified

DNS · Not classified

Email authentication

Whether spoofed mail from this domain gets delivered

MX

Present

Mail routing

SPF

Not strict

Approved senders

DMARC

p=reject

Spoofing policy

Mail transport policy

DNS policies for encrypted inbound delivery and failure reports

MTA-STS

Published

Inbound TLS policy

TLS-RPT

Published

Delivery failure reports

DNS security

Protects DNS responses and certificate issuance

DNSSEC

Unsigned

Response signing

CAA

digicert.com; account=271b0beda0771d006aa3a6c11b05187d456d6c239b46cb5241196095b09c92af

Allowed CA issuers

Nameservers ILc.ns.facebook.com ILd.ns.facebook.com USb.ns.facebook.com USa.ns.facebook.com