sparknotes.com

Observed 2026-07-13T03:11:37.830Z (9h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byProofpoint

Also usesStripe

4 subdomains · 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

Cloudflareserves the site

mail9th1.barnesandnoble.comns3.barnesandnoble.comns4.barnesandnoble.comns2.barnesandnoble.com

barnesandnoble.comanswers its DNS

mxa-00189e01.gslb.pphosted.commxb-00189e01.gslb.pphosted.com

Proofpointreceives its email

HTTPS probe

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

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time444 ms

DNS resolutionNOERROR

Redirect chain

https://www.sparknotes.com/

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

DNS Records

A 2

65.204.48.118
161.221.74.213

MX 2

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

TXT 6

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

NS 4

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

SOA 1

pnjmasterns01.barnesandnoble.com domainadmin.book.com

TLS Certificates (0)

None.

Subdomains (4)

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: fd10a9bd-5ac5-4318-a458-bae5fc119fde
Output Hash: b1b607d7c245b2dcac509e3e14d96355f4afc751c9abb5d9465eff221cdcd118
Signature: ed25519:c557d157f718fcb76f210bd58951420f3fdac62dfcd1bc52211805959464330025f55024311954cf7463e522d7ae1ec3fb487692c24df4f3a5529b7a0a79c604
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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