CONTINUOUS INTERNET TELEMETRY24H DRIFT238 material changesacross 34 domains · last 24h · +78 vs yesterdayNOW528 curated domains not reachable+26 vs yesterdaySITE ERRORS34,341 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 152,086 sites429 rate-limit / 403 bot-block, a posture signal

reed-elsevier.com

Observed Jul 28, 2026, 09:42 UTC (22h 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.

Not responding
Email byMicrosoft 365
majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat reed-elsevier.com actually stands on - every host below is a signed observation
reed-elsevier.com
A / AAAA
207.24.42.50
unattributedserves the site
NS
ns2.reedelsevier.comns3.reedelsevier.comns1.reedelsevier.com
reedelsevier.comanswers its DNS
MX
reedelsevier-com01b.mail.protection.outlook.com
Microsoft 365receives its email

DNS Records

A 1

  • 207.24.42.50

MX 1

  • 10reedelsevier-com01b.mail.protection.outlook.com

TXT 4

  • c8a9af7c-e4e2-4112-8e31-65a845453c9e
  • 6QO9R0CqJ7ce7hkk8Ll0NW0K4JcCJaIt7+hHov2hiYRM/3kcw1WhWvQXEYQkL4YxaR8qkrcBZWXsLj+Qi+QXBg==
  • MS=ms18019533
  • v=DMARC1; p=reject; fo=1; pct=100; rf=afrf; ri=3600; rua=mailto:reed-elsevier@rua.agari.com,mailto:dmarc-a@reedelsevier.com; ruf=mailto:reed-elsevier@ruf.agari.com

NS 3

  • ns2.reedelsevier.com
  • ns3.reedelsevier.com
  • ns1.reedelsevier.com

SOA 1

  • ns1.reedelsevier.com hostmaster.lexisnexis.com

TLS Certificates (0)

None.

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

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

Ed25519 Receipt

Receipt ID
rcpt_0214d58da3d3e36b
Output Hash
977fb32e763115471caab182904a2a3190b016dd1d08f8dd0df97ecd5586fde5
Signature
ed25519:773b86c6c435e01bca23cc2f2d3206c0348691980d7671bbb3b40c4c53056e3205acb5c47e02344a676aad0cd3ed330013a77ffec4da501d513577b1311f290f
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser