cengage.com

Observed Jul 24, 2026, 02:42 UTC (4h 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 onCloudflare

Email byProofpoint

Secured bySectigo

Also usesDocuSignFacebook/MetaGoogle Search ConsoleAtlassianSlack

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

dns1.p01.nsone.netdns.p01.nsone.netdns3.p01.nsone.net

nsone.netanswers its DNS

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

Proofpointreceives its email

TLS

*.cengage.com

Sectigo Limitedissued its certificate

DNS Records

A 1

69.32.208.75

MX 2

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

TXT 34

-aVVLZih6eW_hJI8U15kTukhjMoJ
6kg49tjr73tbbphlx3g5tyy3v5kfyscf
lqyrmnh95ytdfl4t33jvdg9n8xf61cwq
ca3-08347303430347caa5efdc0f16011f86
docusign=3b8ea700-ffcd-4502-85ec-47cee340dcc8
cl_verification=5ee9438f-89f0-4e9b-8509-45a7d55c8fd2
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
facebook-domain-verification=94xv76rrwldjw6bter1pd09lebpvzp
onetrust-domain-verification=8992c9ef19b14ccf84bc7c93bdd68372
google-site-verification=81nfnsdzn7AkMec_CFlzwpc-74eEYPewLRbTHz4PQ68

NS 3

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

SOA 1

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

TLS Certificates (4)

Common Name	Issuer	Expires
`*.cengage.com`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA OV R36	Fri, 12 Mar 2027 23:59:59 +0000
`Sectigo Public Server Authentication CA OV R36`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46	Fri, 21 Mar 2036 23:59:59 +0000
`Sectigo Public Server Authentication Root R46`	C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority	Mon, 18 Jan 2038 23:59:59 +0000
`USERTrust RSA Certification Authority`	C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority	Mon, 18 Jan 2038 23:59:59 +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 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: rcpt_8ae98ed6669a3eda
Output Hash: 9cdc5f922df54c22726132577f6dacc6c630be3808425048e0aa56f504eaec43
Signature: ed25519:4ae115aba54d7e2bd6b68386e7b30a0527b1eac55dc68cad6b00cf176d2ae35eaa4460e808b3f1c5e1923a9b996b36aca31ed05765b778c1aa13fa1203efba05
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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