vitalsource.com

Observed 2026-07-14T10:06:43.340Z (19h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byMicrosoft 365

Registered withGoDaddy.com, LLC

Also usesGoogle Search ConsoleFacebook/Meta1Password

IPv6 · 14 subdomains · tranco_20k

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

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

vitalsource.com

A / AAAA

104.19.189.84104.19.190.842606:4700::6813:bd542606:4700::6813:be54

Cloudflareserves the site

jonah.ns.cloudflare.comaida.ns.cloudflare.com

cloudflare.comanswers its DNS

vitalsource-com.mail.protection.outlook.com

Microsoft 365receives its email

HTTPS probe

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

HTTP status301

Servercloudflare

TLS protocolHTTP/3

TLS issuernot observed

Behind Cloudflareyes

Response time99 ms

DNS resolutionNOERROR

Redirect chain

https://www.vitalsource.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

104.19.189.84
104.19.190.84

AAAA 2

2606:4700::6813:bd54
2606:4700::6813:be54

MX 1

10vitalsource-com.mail.protection.outlook.com

TXT 18

openai-domain-verification=dv-3ecR37S1SIOK6mjEgt9y2WKt
cursor-domain-verification-tn4rgs=GZ79G2oE2pNUGB8Rp3aTCry2y
apple-domain-verification=mCIZRftXRlvbbgNf
google-site-verification=BIMJg_Pk3BKY5n4M3BYh--LJ5s61RYZ22UZG1JIN_J0
google-site-verification=Ts9HPtoD1UCqBL6KzcH96bABxjkctm1J6XixIJpQs2I
google-site-verification=yZ-kJatoo-6qop_nCghctNlbUDWhv8k1LKZQvuplips
facebook-domain-verification=1lgt7rmfll6da198anxuylzzp2l04j
b078a8887638430a85b4a64b02fa269b.vitalsource.com
v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:mktomail.com include:rp.oracleemaildelivery.com exists:%{i}._spf.mta.salesforce.com include:spf.mandrillapp.com include:mail.zendesk.com include:_spf.sendergen.com ~all
google-site-verification=CaKq1GauqV6CaYjnf7FM5Gl3avbxLKJthA7ZyctMkTc

NS 2

jonah.ns.cloudflare.com
aida.ns.cloudflare.com

SOA 1

aida.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (0)

None.

Subdomains (14)

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

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

Ed25519 Receipt

Receipt ID: 544c86bb-454d-47e1-a871-2c5f32bf3f20
Output Hash: c58f61b89cd16bf96594fccfd739144d894dc1cb3d909725402385ffd333d21f
Signature: ed25519:5812b71b19830fd48325588c6b912a2772e85f72a826ef15a37b257d3c5af2eb04844de47d2496d0a1b752ad6bdf8a2dc02f782d745a27536ff33791ab64f609
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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