InboxAudit

southwest.com email records

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

SPF

v=spf1 include:luv.southwest.com include:spf.messagelabs.com include:cmail1.com include:amadeus.com ~all
11 of 10 DNS lookups — over the RFC 7208 limit.

The record authorises this sending platform: Campaign Monitor.

DMARC

v=DMARC1; p=reject; rua=mailto:dmarc_rua@emaildefense.proofpoint.com,mailto:dmarc_agg@dmarc.everest.email; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com,mailto:dmarc_fr@dmarc.everest.email;fo=1
policy
p=reject
applies to
100% of mail
reports
mailto:dmarc_rua@emaildefense.proofpoint.com,mailto:dmarc_agg@dmarc.everest.email
alignment
adkim=r, aspf=r

DKIM

Keys found on 1 of 10 probed selectors:

s1

MX

mail02.wnco.comoutgoing.wnco.com

Notes on this configuration

SPF needs 11 DNS lookups; the RFC limit is 10. SPF currently fails with permerror.

Check it live

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