treehouse.com

Observed Jul 21, 2026, 19:38 UTC (17h 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 onAmazon

Email byMicrosoft 365

Secured byAmazon

IPv6 · push_legacy

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

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

treehouse.com

A / AAAA

3.162.103.493.162.103.533.162.103.303.162.103.58+8 more

Amazonserves the site

ns-1074.awsdns-06.orgns-1880.awsdns-43.co.ukns-72.awsdns-09.comns-779.awsdns-33.net

awsdns-06.org + awsdns-43.co.uk + moreanswers its DNS

treehouse-com.mail.protection.outlook.com

Microsoft 365receives its email

TLS

treehouse.com

Amazonissued its certificate

DNS Records

A 4

3.162.103.49
3.162.103.53
3.162.103.30
3.162.103.58

AAAA 8

2600:9000:26c1:2400:19:d69d:fbc0:93a1
2600:9000:26c1:a000:19:d69d:fbc0:93a1
2600:9000:26c1:b200:19:d69d:fbc0:93a1
2600:9000:26c1:1000:19:d69d:fbc0:93a1
2600:9000:26c1:7200:19:d69d:fbc0:93a1
2600:9000:26c1:4e00:19:d69d:fbc0:93a1
2600:9000:26c1:2c00:19:d69d:fbc0:93a1
2600:9000:26c1:8e00:19:d69d:fbc0:93a1

MX 1

10treehouse-com.mail.protection.outlook.com

TXT 2

v=spf1 include:spf.protection.outlook.com -all
v=DMARC1; p=reject; pct=100

NS 4

ns-1074.awsdns-06.org
ns-1880.awsdns-43.co.uk
ns-72.awsdns-09.com
ns-779.awsdns-33.net

SOA 1

ns-1074.awsdns-06.org awsdns-hostmaster.amazon.com

TLS Certificates (3)

Common Name	Issuer	Expires
`treehouse.com`	C=US, O=Amazon, CN=Amazon RSA 2048 M01	Tue, 06 Oct 2026 23:59:59 +0000
`Amazon RSA 2048 M01`	C=US, O=Amazon, CN=Amazon Root CA 1	Fri, 23 Aug 2030 22:21:28 +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 treehouse.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_fab05ebbf548b2ff
Output Hash: dc310b0c02e26096c77616e9a1edcd3a7ed0a46a8ee173b62e161a2216b8e0d5
Signature: ed25519:1062de502516cce10e05b8303f71eb98d0297aee7d0670197ea93f8f1a0604390109946ef15f1f5538e32dbffb0f49e2f58364fd2947c3428071a5c693d0dc01
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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