CONTINUOUS INTERNET TELEMETRY24H DRIFT3,251 material changesacross 2,831 domains · -147 vs yesterdayDNS DRIFT21 domains changed DNS providertop destination digicertdns.com + digicertdns.net · -6 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination 365cool.com · -1 vs yesterdayCERT DRIFT8 domains switched issuing CA24h · +1 vs yesterdayNOW3,306 curated domains not answering-6,412 vs yesterdayERRORS10,960 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT3,251 material changesacross 2,831 domains · -147 vs yesterdayDNS DRIFT21 domains changed DNS providertop destination digicertdns.com + digicertdns.net · -6 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination 365cool.com · -1 vs yesterdayCERT DRIFT8 domains switched issuing CA24h · +1 vs yesterdayNOW3,306 curated domains not answering-6,412 vs yesterdayERRORS10,960 responded with an errorlast probe · 5xx / 404 / 429 / 403

oreillynet.com

Observed 2026-07-12T10:09:48.268Z (21h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byGoogle Workspace
Registered withGoDaddy.com, LLC
Also usesGoogle Search Console
tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat oreillynet.com actually stands on - every host below is a signed observation
oreillynet.com
A / AAAA
34.169.83.167
Cloudflareserves the site
NS
a20-66.akam.neta3-67.akam.neta16-65.akam.neta13-64.akam.net+2 more
akam.netanswers its DNS
MX
alt2.aspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx.l.google.com+1 more
Google Workspacereceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.oreilly.com/
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time83 ms
DNS resolutionNOERROR
Redirect chain
https://www.oreilly.com/

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

DNS Records

A 1

  • 34.169.83.167

MX 5

  • 5alt2.aspmx.l.google.com
  • 10aspmx2.googlemail.com
  • 10aspmx3.googlemail.com
  • 1aspmx.l.google.com
  • 5alt1.aspmx.l.google.com

TXT 2

  • google-site-verification=6zQdztCbt0GxihDlduz1KVzZp-qG9I4bhxUFTlOFeb8
  • v=spf1 include:_spf.google.com -all

NS 6

  • a20-66.akam.net
  • a3-67.akam.net
  • a16-65.akam.net
  • a13-64.akam.net
  • a4-64.akam.net
  • a1-225.akam.net

SOA 1

  • a1-225.akam.net nic-tc.oreilly.com

TLS Certificates (0)

None.

Subdomains (11)

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

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

Ed25519 Receipt

Receipt ID
6971d3ba-0ae7-4756-8c68-7b20fcc6c04d
Output Hash
048664c1c15a02a2bf7fba98d7eb3e5b1088fe7c9a76ab6acb8531d059e1e3f5
Signature
ed25519:b0ad7b72d7c4535053b6f15e124e00cac6d6b2585843698453be24d4b3dfcfdf38412f474ac2c7ec4e149b117c6845d5aa85e4d32abbeb555d1fa7c95a12d00f
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser