nih.gov email records

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

SPF

v=spf1 ip4:128.231.90.64/26 ip4:165.112.13.0/26 ip4:156.40.79.128/25 ip4:128.231.89.192/28 ip4:165.112.69.16/28 ip4:165.112.194.0/25 ip6:2607:f220:0404:8104::0/64 ip6:2607:f220:402:1a01::0/64 ip6:2607:f220:404:12e::/64 ip6:2607:f220:402:12e::/64 include:spf.protection.outlook.com ~all

The record authorises this sending platform: Microsoft 365.

DMARC

v=DMARC1; p=reject; rua=mailto:8idhoybh@ag.us.dmarcian.com,mailto:reports@dmarc.cyber.dhs.gov; ruf=mailto:8idhoybh@fr.us.dmarcian.com; fo=1;

policy

p=reject

applies to

100% of mail

reports

mailto:8idhoybh@ag.us.dmarcian.com,mailto:reports@dmarc.cyber.dhs.gov

alignment

adkim=r, aspf=r

DKIM

Keys found on 4 of 10 probed selectors:

MX

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