cengage.com

Observed 2026-07-12T16:42:43.344Z (17h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byProofpoint

Also usesGoogle Search ConsoleSlackDocuSignFacebook/MetaAtlassian

16 subdomains · education_expanded

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

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

cengage.com

A / AAAA

69.32.208.75

Cloudflareserves the site

dns3.p01.nsone.netdns1.p01.nsone.netdns.p01.nsone.net

nsone.netanswers its DNS

mxa-0012df01.gslb.pphosted.commxb-0012df01.gslb.pphosted.com

Proofpointreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.cengage.com/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time230 ms

DNS resolutionNOERROR

Redirect chain

https://www.cengage.com/

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

DNS Records

A 1

69.32.208.75

MX 2

10mxa-0012df01.gslb.pphosted.com
10mxb-0012df01.gslb.pphosted.com

TXT 35

tvmd0p25vpf6p8qj6bqkfx4cwpnb3f7p
google-site-verification=81nfnsdzn7AkMec_CFlzwpc-74eEYPewLRbTHz4PQ68
hlg77cp9rqkrvmw1gcdk85rzr0mlwpz2
6kg49tjr73tbbphlx3g5tyy3v5kfyscf
slack-domain-verification=kVF5zo1TjQzg8muoanv1ET8v6hVwMhCwdvJeTUlE
extensis-domain-verification=521ba37c-0621-4e5a-bffc-aac3658c82e6
amazonses:9gG9U0Lq8dN2UmomYK8l3KdOlkgMa+mnI2rykI6k5OE=
jamf-site-verification=lbpt07mBT7VIXextB7Z2iw
m7g/5gjTgLDClq+067EKbbxE2fKjHuuo3yJz2/q+JcHmqgoiLrouEtb4aaYusUBl+gXCxnsPwBIk+gsJtxWZng==
google-site-verification=L_XIohOodP_pkkG1LWK5fgTNPu5zY992G2p9vzxnpT0

NS 3

dns3.p01.nsone.net
dns1.p01.nsone.net
dns.p01.nsone.net

SOA 1

dns1.p01.nsone.net hostmaster.cengage.com.au

TLS Certificates (0)

None.

Subdomains (16)

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

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

Ed25519 Receipt

Receipt ID: 7b49da1b-63fc-4cea-aa87-2487eb380c40
Output Hash: 39f57133fb8f09bceb77c2085c23d6d316e5e196d52acb46f95a8fd1bca4311d
Signature: ed25519:2a6f74fa7e3debaefd72b98f839da5df7c3ecf26ea316b3843494f50faf065116202161b4073e458313484cb6569568c502af8ccdeaa7aacdb4a7b10bb138a0a
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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