masterclass.com

Observed 2026-07-12T20:11:39.528989115+00:00 (3h ago). Every field below was attested with an Ed25519 signature at scan time.

Guarded by a firewall

Runs onCloudflare

Email byGoogle Workspace

Secured byGoogle Trust Services

Also usesZoomAtlassianDocuSignFacebook/MetaFigmaGoogle Search ConsoleStripe

IPv6 · education_expanded

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

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

masterclass.com

A / AAAA

104.17.12.109104.17.11.1092606:4700::6811:b6d2606:4700::6811:c6d

Cloudflareserves the site

elmo.ns.cloudflare.comlara.ns.cloudflare.com

cloudflare.comanswers its DNS

aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

masterclass.com

Google Trust Servicesissued its certificate

DNS Records

A 2

104.17.12.109
104.17.11.109

AAAA 2

2606:4700::6811:b6d
2606:4700::6811:c6d

MX 5

1aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 43

00d5y000002tzbcuac
MS=ms40464053
ZOOM_verify_MPUyRtnpQ-KCjAo8dCLHtA
adobe-idp-site-verification=8cecf303de49e79f3bdba851120976cc135e573af7e1415614ad70124486ff6b
airtable-verification=2e81434c48c7f1f5f14e32e768aac1f1
anthropic-domain-verification-09srn7=YDOqYXJCGJNNLdEfNFn4Bv2K6
apple-domain-verification=Dwh77ggSYSJLv0sV
atlassian-domain-verification=fsLNVMHXTinbduijD9qeWWVOBbtM0ktMigExcpz84eXkqnvQWEF2UV5Mgm+w827G
atlassian-domain-verification=z8jowpBlkVJiTOqh0KMVPyRiJPZS62sQS/xQk08yGwdNQZ3mxJ8FDkZmnOxts5OY
cursor-domain-verification-gcpwkw=M0JNzcmFlXXDV3hxBDtgwzC8U

NS 2

elmo.ns.cloudflare.com
lara.ns.cloudflare.com

SOA 1

elmo.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`masterclass.com`	C=US, O=Google Trust Services, CN=WE1	Wed, 07 Oct 2026 17:54:59 +0000
`WE1`	C=US, O=Google Trust Services LLC, CN=GTS Root R4	Tue, 20 Feb 2029 14:00:00 +0000
`GTS Root R4`	C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA	Fri, 28 Jan 2028 00:00:42 +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 Connor observes and signs for masterclass.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 2cfcde7e-01ff-4e9d-b634-fe4544d1aa8c
Output Hash: 076087d60bec95f31d7a159255222088c3ad7a78e4aa0ba4118e008a90e547f5
Signature: ed25519:50863fe1ef2d7dde46371f06d8710771987bc48e13760699d1af6e5ff7e3e646b9de5b435f604dc7815dff7a90d5d92bd3df034e1d7df9a352dd4bf35ff1b402
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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