cornell.edu email records

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

SPF

v=spf1 ip4:128.253.150.144/30 ip4:128.253.150.158 ip4:128.253.150.176 ip4:128.253.150.177 include:_spf.google.com include:spf.protection.outlook.com include:_spf.qualtrics.com -all

The record authorises these sending platforms: Google Workspace, Microsoft 365, Qualtrics.

DMARC

v=DMARC1; p=reject; rua=mailto:rua-reports@cornell.edu,mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:ruf-reports@cornell.edu,mailto:dmarc_ruf@emaildefense.proofpoint.com; aspf=r; adkim=s;

policy

p=reject

applies to

100% of mail

reports

mailto:rua-reports@cornell.edu,mailto:dmarc_rua@emaildefense.proofpoint.com

alignment

adkim=s, aspf=r

DKIM

Keys found on 1 of 10 probed selectors:

MX

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