southwest.com

Observed Jul 18, 2026, 12:09 UTC (3d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onSouthwest Airlines

Secured byIdenTrust

Registered withMarkMonitor Inc.

Also usesFacebook/Meta

1 subdomain · fortune_500

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat southwest.com actually stands on - every host below is a signed observation

southwest.com

A / AAAA

66.150.1.229208.94.155.99

Southwest Airlinesserves the site

ns-w21.southwest.comns-w11.southwest.com

southwest.comanswers its DNS

mail02.wnco.comoutgoing.wnco.com

wnco.comreceives its email

TLS

www.southwest.com

IdenTrustissued its certificate

DNS Records

A 2

66.150.1.229
208.94.155.99

MX 2

10mail02.wnco.com
10outgoing.wnco.com

TXT 11

facebook-domain-verification=5tg9b0fpw4l87zy4ga4hqxzrgjnbu7
tsktdktn7wq710fh3lqrrx391kfjwv0y
apple-domain-verification=AVqb7df_lh4ZY0IFN-xHTHCQfzRorhFBV0YJIEi3dMk
klaviyo-site-verification=TvuiSP
identrust_validate=BvULH7j+tFTCcJxzas5YCHn9MFM82G99zGdJ3Nx7OIJy
_4euyjhh2akthszptxyklufk2g4nm1jj
identrust_validate=fXNA1Qb3CuyBMtCOpRZyaKbIaisaX1CBZMlJX+K8Q2KE
_xpn3qn98olo03xr8hj4zxmc12tab31i
v=spf1 include:luv.southwest.com include:spf.messagelabs.com include:cmail1.com include:amadeus.com ~all
pardot886213=5f9176871506272b28c41f1ddffd6a99f50aae6f7c1540d03a7e4474746e820f

NS 2

ns-w21.southwest.com
ns-w11.southwest.com

SOA 1

sdcscadnsgmavip.swacorp.com domainrequest.wnco.com

TLS Certificates (3)

Common Name	Issuer	Expires
`www.southwest.com`	C=US, O=IdenTrust, 2.5.4.11=HydrantID Trusted Certificate Service, CN=HydrantID Server CA O1	Fri, 15 Jan 2027 15:01:11 +0000
`HydrantID Server CA O1`	C=US, O=IdenTrust, CN=IdenTrust Commercial Root CA 1	Wed, 12 Dec 2029 16:56:15 +0000
`IdenTrust Commercial Root CA 1`	C=US, O=IdenTrust, CN=IdenTrust Commercial Root CA 1	Mon, 16 Jan 2034 18:12:23 +0000

Subdomains (1)

www.southwest.com

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for southwest.com. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/southwest.com">
  <img src="https://domaindrift.io/badge/southwest.com.svg"
       width="300" height="64" alt="DomainDrift signed observations for southwest.com">
</a>

Ed25519 Receipt

Receipt ID: 7f897451-6de4-47a7-845a-9214a4a3f28d
Output Hash: 38e41161399bdbb11eb692f27986966875bc9735be309c30b4dd669a9e601d31
Signature: ed25519:4077a1e61de24d7692849b181677549404e8486379bca7776d9203407ab65a51fe01b0509bb984d4c97ce51288c4f722ce3c18c18e825075f0f8fad821294205
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/southwest.com