CONTINUOUS INTERNET TELEMETRY24H DRIFT2,859 material changesacross 2,515 domains · -539 vs yesterdayDNS DRIFT21 domains changed DNS providertop destination cloudflare.com · -6 vs yesterdayEMAIL DRIFT4 domains switched email providertop destination reyrey.com · -2 vs yesterdayCERT DRIFT7 domains switched issuing CA24hNOW3,307 curated domains not answering-6,411 vs yesterdayERRORS10,966 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT2,859 material changesacross 2,515 domains · -539 vs yesterdayDNS DRIFT21 domains changed DNS providertop destination cloudflare.com · -6 vs yesterdayEMAIL DRIFT4 domains switched email providertop destination reyrey.com · -2 vs yesterdayCERT DRIFT7 domains switched issuing CA24hNOW3,307 curated domains not answering-6,411 vs yesterdayERRORS10,966 responded with an errorlast probe · 5xx / 404 / 429 / 403

reedelsevier.com

Observed 2026-07-12T12:37:15.880Z (21h ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding
Runs onCloudflare
Email byMicrosoft 365
Also usesSlackMiroZoomAtlassianFigma
8 subdomains · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat reedelsevier.com actually stands on - every host below is a signed observation
reedelsevier.com
A / AAAA
207.24.42.50
Cloudflareserves the site
NS
ns4.lexisnexis.comns1.lexis-nexis.comns2.lexisnexis.comns3.lexisnexis.com
lexisnexis.com + lexis-nexis.comanswers its DNS
MX
reedelsevier-com.mail.protection.outlook.com
Microsoft 365receives its email

HTTPS probe

server_error Server error (5xx) 521 Server Error
HTTP status521
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time191 ms
DNS resolutionNOERROR

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

DNS Records

A 1

  • 207.24.42.50

MX 1

  • 10reedelsevier-com.mail.protection.outlook.com

TXT 29

  • anthropic-domain-verification-a53kss=FfsZbkNbZwJYMrQXaKiKvlrth
  • AXw1tdfIuU9b7b6NhpHgxVt4wvmtCYcuWENPieRrGx0=
  • pendo-domain-verification=70df13eb-41e8-49c8-a257-38cdbd2a15eb
  • sending_domain1028433=44614c5283adfd0e3d95492cf0dac01d80fd9b8507c45e91436ba5eda3d945ac
  • slack-domain-verification=aB06IsWwhx7xb5wLR3HZdfDkePUWxYNfHwvVdlj0
  • smartsheet-site-validation=cyItNwF6ArMs9IIRtt_q-aZkcskMVVim
  • miro-verification=39a0a4ee76533d3eb6ef3701caa0a7817f8d3390
  • zapier-domain-verification-challenge=48aacc9d-20e5-4d76-a082-4f695b5bf713
  • smartsheet-site-validation=PMUGIqyIOKdNc9COvrQwHdKJJrAU3Wob
  • MS=ms86292984

NS 4

  • ns4.lexisnexis.com
  • ns1.lexis-nexis.com
  • ns2.lexisnexis.com
  • ns3.lexisnexis.com

SOA 1

  • spn5071.telecom.regn.net hostmaster.lexisnexis.com

TLS Certificates (0)

None.

Subdomains (8)

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

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

Ed25519 Receipt

Receipt ID
7da7fd8c-79b8-4b3a-a88c-a5d5c1900236
Output Hash
460a2234a3b632d4f757d15bbaeb0c1aefaeef8869425b4b6d3462df1bbb925a
Signature
ed25519:a68d8d4e573812179650c67f926c4f01d415ca0c709af0d55c8c83dca6f526be954af220f6287f4632427f9b9461f89b2178ac794f55750e2b7cd0ef43946400
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser