sparknotes.com

Observed 2026-07-17T13:27:50.730991171+00:00 (9h ago). Every field below was attested with an Ed25519 signature at scan time.

Guarded by a firewall

Runs onBarnes & Noble

Email byProofpoint

Secured byDigiCert

Also usesStripe

tranco_20k

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

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

sparknotes.com

A / AAAA

65.204.48.118161.221.74.213

Barnes & Nobleserves the site

ns4.barnesandnoble.comns3.barnesandnoble.commail9th1.barnesandnoble.comns2.barnesandnoble.com

barnesandnoble.comanswers its DNS

mxb-00189e01.gslb.pphosted.commxa-00189e01.gslb.pphosted.com

Proofpointreceives its email

TLS

*.sparknotes.com

DigiCert Incissued its certificate

DNS Records

A 2

65.204.48.118
161.221.74.213

MX 2

10mxb-00189e01.gslb.pphosted.com
10mxa-00189e01.gslb.pphosted.com

TXT 6

stripe-verification=8ddba2709cffbeabf91bf6ac68001a18bc3570a1daf8070f676801d0bd20665d
v=spf1 mx include:spf-00189e01.pphosted.com include:spf.protection.outlook.com include:spf.mandrillapp.com ~all
q26up9akffho7d1v6kt71pse20
MS=ms56458472
uj0Q21bEiaQelRZbQ/S1tW0ybQGz3gvPZK23zNL3aXJUgDwU41O7uA+8sAqCmPTM6mPosAIm1S8oXe8Iglc9/A==
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;

NS 4

ns4.barnesandnoble.com
ns3.barnesandnoble.com
mail9th1.barnesandnoble.com
ns2.barnesandnoble.com

SOA 1

pnjmasterns01.barnesandnoble.com domainadmin.book.com

TLS Certificates (2)

Common Name	Issuer	Expires
`*.sparknotes.com`	C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1	Tue, 08 Sep 2026 23:59:59 +0000
`DigiCert Global G2 TLS RSA SHA256 2020 CA1`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2	Sat, 29 Mar 2031 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 sparknotes.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 01f3fb3a-c3a9-4573-9037-1f1d43342076
Output Hash: 216a79ed3817e0dffbf0049240d1320cdd793114a0b066dd5d0df56b5b8c7b10
Signature: ed25519:d6fcf1dc0acd1f5630d6adc5662f1289730eda1213a5eef4803d6a0f84f8e2cc204d359efb5f8d5080fc622f6b587bc91fd55d0fb1a0976ac2bac97c86741605
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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