CONTINUOUS INTERNET TELEMETRY24H DRIFT203 material changesacross 164 domains · -1,433 vs yesterdayDNS DRIFT2 domains changed DNS providertop destination akam.net · -15 vs yesterdayNOW55,174 curated domains not answering+40,751 vs yesterdayERRORS8,524 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED2,335 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT203 material changesacross 164 domains · -1,433 vs yesterdayDNS DRIFT2 domains changed DNS providertop destination akam.net · -15 vs yesterdayNOW55,174 curated domains not answering+40,751 vs yesterdayERRORS8,524 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED2,335 throttled or blocked our scanner429 rate-limit / 403 bot-block

cerner.com

Observed 2026-07-15T10:46:31.465Z (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding
Runs onCloudflare
Email byMicrosoft 365
Registered withMarkMonitor Inc.
Also usesMiro
10 subdomains · fortune_500
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat cerner.com actually stands on - every host below is a signed observation
cerner.com
A / AAAA
159.140.213.205
Cloudflareserves the site
NS
ns4.cernerns.comns3.cernerns.com
cernerns.comanswers its DNS
MX
cerner-com.mail.protection.outlook.com
Microsoft 365receives its email

HTTPS probe

server_error Server error (5xx) 520 Server Error
HTTP status520
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time354 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

  • 159.140.213.205

MX 1

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

TXT 33

  • v=spf1 include:spf.protection.outlook.com include:_spf.cernercloud.com include:spf.cernerasp.com ip4:159.140.2.112/30 ip4:159.140.2.135/32 ip4:159.140.2.136/32 ip4:20.49.19.140/32 ip4:199.21.28.112/28 ip4:185.174.48.0/26 -all
  • Cerner Corporation
  • webexdomainverification.52f792bcd2ea5139e053ad06fc0a594f=2c342619-a14b-4c89-b90d-d9864f7c8427
  • cerner-client-id=df609275-2d00-4e6b-93db-719790944624
  • cerner-client-id=97b10a52-72bc-43e9-b6bd-049ddce7c725
  • cerner-client-id=ec4356ee-ee82-456b-897c-c9533bae9615
  • miro-verification=c41c7bd02b2c7d5e2cd0c38f7e5b60894cf91782
  • _8la6fv4u6gqtje49x05pzgmddd0hhhv
  • logmein-verification-code=083ae89f-63d8-4922-ac97-581965cbf9b9
  • cerner-client-id=4b3d7dc0-bab4-4a41-b867-43cf7d861dcb

NS 2

  • ns4.cernerns.com
  • ns3.cernerns.com

SOA 1

  • ns3.cernerns.com please_set_email.absolutely.nowhere

TLS Certificates (0)

None.

Subdomains (10)

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

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

Ed25519 Receipt

Receipt ID
b34e2530-c0cc-475a-9cf3-deceba2d1592
Output Hash
b2c6eba0138394087483f7b86c1dfd0f044999793ac00dab6909151b55c16563
Signature
ed25519:c15f99e803e47b51931529a0318aea06c91110ce7869fad7775a65ac9b674bd576a884477541bebd8ed85e6a993235954df277b0a6fe5a4afb39a3c8beab5a0c
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser