cisa.gov email records

What cisa.gov publishes in public DNS for SPF, DKIM, DMARC, MX and BIMI, resolved on 2026-08-04.

SPF

v=spf1 include:spf.dhs.gov include:spf.protection.outlook.com include:spf-00376703.gpphosted.com -all

The record authorises this sending platform: Microsoft 365.

DMARC

v=DMARC1; p=reject; pct=100; rua=mailto:DMARC@hq.dhs.gov, mailto:reports@dmarc.cyber.dhs.gov

policy

p=reject

applies to

100% of mail

reports

mailto:DMARC@hq.dhs.gov,

alignment

adkim=r, aspf=r

DKIM

Keys found on 1 of 10 probed selectors:

MX

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The above is a snapshot from 2026-08-04. Re-resolve it now:

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