costcotravel.com

Observed Jul 22, 2026, 00:19 UTC (15h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Up right now

Runs onAkamai Technologies

Email byMicrosoft 365

Secured byDigiCert

Registered withCSC Corporate Domains, Inc.

Also usesDocuSignAtlassianFacebook/Meta

1 subdomain · tranco_20k

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

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

costcotravel.com

A / AAAA

23.207.142.244

Akamai Technologiesserves the site

a1-158.akam.neta28-66.akam.neta13-64.akam.neta6-67.akam.net+2 more

akam.netanswers its DNS

costcotravel-com.mail.protection.outlook.com

Microsoft 365receives its email

TLS

costcotravel.com

DigiCert Incissued its certificate

DNS Records

A 1

23.207.142.244

MX 1

10costcotravel-com.mail.protection.outlook.com

TXT 13

docusign=e8e75115-a119-46b1-96f0-6822528a23b5
atlassian-domain-verification=FsOsp1KAAEckd2nGgLjDu5RxMta8DpJUy2kQUXWOBQzjO8Fta7LqmgdwoPZ+j6uh
dtm-domain-verification=XPvKk0MfjwWjb87NE0pYnt9VQ_FsqB5Xt4JC9o1T6TA
MS=ms98332774
facebook-domain-verification=xgvxxjhne280ibrpuuixsap38o6aem
adobe-idp-site-verification=00ed8cd2a8c54d2776489c27085f5136e1e4de577e5fec6e54ed62c28e548813
docusign=3d6127d3-7582-4c25-acd4-9970951f0a74
mongodb-site-verification=YcHwWNcnbTdu9fFB5tDEzYG7EuvxM5Pm
vdH7pFKR2Cy1u8EIefPIjKibEN0IaGWmm1d07lMRlCuUUEui9ry/88RggCqLWtjgvHWql1CP+5noWR2WfKDCKA==
v=spf1 ip4:208.185.193.64/26 ip4:170.167.255.0/24 include:spf.protection.outlook.com -all

NS 6

a1-158.akam.net
a28-66.akam.net
a13-64.akam.net
a6-67.akam.net
a2-65.akam.net
a11-67.akam.net

SOA 1

a1-158.akam.net hostmaster.akamai.com

TLS Certificates (2)

Common Name	Issuer	Expires
`costcotravel.com`	C=US, O=DigiCert Inc, CN=DigiCert EV RSA CA G2	Mon, 21 Sep 2026 23:59:59 +0000
`DigiCert EV RSA CA G2`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2	Tue, 02 Jul 2030 12:42:50 +0000

Subdomains (1)

www.costcotravel.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 costcotravel.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_dfd9e925f56de251
Output Hash: 724a5920dc017b84a626766ee746450a08a99c37ee3df8040ab1656d3565ea61
Signature: ed25519:feb5559997aad7256e0c50eb70cc28b2ac23984bb6e7bcaf52bbbebed4e0f9723c1817772db168141408d1de79a91acedfae009d3efd7388c72e17b7c6af6f0e
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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