mastercard.com email records
What mastercard.com publishes in public DNS for SPF, DKIM, DMARC, MX and BIMI, resolved on 2026-08-04.
SPF
v=spf1 include:spf.protection.outlook.com include:deliverygateways.mastercard.com include:external.mastercard.com include:external2.mastercard.com include:deliverygateways2.mastercard.com ~all
6 of 10 DNS lookups.
The record authorises this sending platform: Microsoft 365.
DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_agg@auth.returnpath.net; ruf=mailto:dmarc_afrf@auth.returnpath.net
- policy
- p=reject
- applies to
- 100% of mail
- reports
- mailto:dmarc_agg@auth.returnpath.net
- alignment
- adkim=r, aspf=r
DKIM
Keys found on 2 of 10 probed selectors:
MX
Notes on this configuration
include:%{ir}.%{v}.deliverygateways.mastercard.com.spf.has.pphosted.com has no SPF record (void lookup)
Check it live
The above is a snapshot from 2026-08-04. Re-resolve it now: