teamtreehouse.com

Observed 2026-07-13T00:18:06.630143350+00:00 (8h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onAmazon

Email byGoogle Workspace

Secured byAmazon

Also usesGoogle Search ConsoleHubSpot

push_legacy

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

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

teamtreehouse.com

A / AAAA

44.194.233.12898.86.185.57

Amazonserves the site

ns-1004.awsdns-61.netns-1233.awsdns-26.orgns-1567.awsdns-03.co.ukns-334.awsdns-41.com

awsdns-61.net + awsdns-26.org + moreanswers its DNS

aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx2.googlemail.com+1 more

Google Workspacereceives its email

TLS

teamtreehouse.com

Amazonissued its certificate

DNS Records

A 2

44.194.233.128
98.86.185.57

MX 5

10aspmx.l.google.com
20alt1.aspmx.l.google.com
20alt2.aspmx.l.google.com
30aspmx2.googlemail.com
40aspmx3.googlemail.com

TXT 4

google-site-verification=0W3EHt8wRzgBZUT4_w_NwM50y4aNtXUIa95yEkB7hbg
google-site-verification=gry2OoAsXMeGRyLmhhndx2c5TxFbvCqzUXR66_ZYMpc
v=spf1 include:_spf.google.com include:helpscoutemail.com include:servers.mcsv.net include:spf.mandrillapp.com include:zoho.com ip4:142.0.160.50/32 include:7320745.spf10.hubspotemail.net exists:%{i}._spf.mta.salesforce.com -all
v=DMARC1; p=reject; pct=100; rua=mailto:dmarc-agg@teamtreehouse.com,mailto:dmarc_agg@vali.email; ruf=mailto:dmarc-for@teamtreehouse.com; rf=afrf; fo=1; ri=86400; adkim=r; aspf=r;

NS 4

ns-1004.awsdns-61.net
ns-1233.awsdns-26.org
ns-1567.awsdns-03.co.uk
ns-334.awsdns-41.com

SOA 1

ns-334.awsdns-41.com awsdns-hostmaster.amazon.com

CAA 10

iodef "mailto:site-ops@teamtreehouse.com"
issue "amazon.com"
issue "amazonaws.com"
issue "amazontrust.com"
issue "awstrust.com"
issue "digicert.com"
issue "globalsign.com"
issue "letsencrypt.org"
issue "pki.goog"
issue "sectigo.com"

TLS Certificates (3)

Common Name	Issuer	Expires
`teamtreehouse.com`	C=US, O=Amazon, CN=Amazon RSA 2048 M04	Sat, 31 Oct 2026 23:59:59 +0000
`Amazon RSA 2048 M04`	C=US, O=Amazon, CN=Amazon Root CA 1	Fri, 23 Aug 2030 22:26:35 +0000
`Amazon Root CA 1`	C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2	Thu, 31 Dec 2037 01:00:00 +0000

Subdomains (0)

None observed.

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

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

Ed25519 Receipt

Receipt ID: 3acee760-9ac9-43df-aa82-49b2d2e41bc2
Output Hash: f857fcae83d3ea6b6b201636defac6b29efeab2fa3ee95e15696388203e91fb1
Signature: ed25519:8d087661de492bb27e545639817707e1e9dfc3c4c10958a648852401ef956d1956c5fcae106e0b53214f6330160675ddd6fad882d52b946fd2ea7a177e9b9b00
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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