canvas.instructure.com

Observed 2026-07-18T00:46:21.804Z (11h ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding

Runs onCloudflare

96 subdomains · push_legacy

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

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

canvas.instructure.com

A / AAAA

18.155.202.12518.155.202.5718.155.202.9918.155.202.123

Cloudflareserves the site

HTTPS probe

server_error Server error (5xx) 503 Service Unavailable - cloudflare down or maintenance

HTTP status503

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time67 ms

DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 4

18.155.202.125
18.155.202.57
18.155.202.99
18.155.202.123

TLS Certificates (0)

None.

Subdomains (96)

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

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

Ed25519 Receipt

Receipt ID: 0c5259ba-4f37-4ca4-8d77-1945f35acf00
Output Hash: be864d094ee64f00237934118669588e1f3722d7a8a0e363d2b621725f034a92
Signature: ed25519:8c39bee0ba4a00f8b9a4e7f1dc2319647045f68173369fc81a93b26af93eb701fe2a44c220581887a59bea590341d3181759312f04ff67dc0ac1e9dd5cb8bd05
Public Key: ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent: (genesis)
Plane: fast

Verify this in your browser

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