prebid.org

Observed 2026-07-12T14:55:27.763Z (19h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

7 subdomains · tranco_40k

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

INFRASTRUCTURE MAPwhat prebid.org actually stands on - every host below is a signed observation

prebid.org

A / AAAA

141.193.213.11141.193.213.10

Cloudflareserves the site

ns2.dnsimple-edge.netns4.dnsimple-edge.orgns3.dnsimple.comns1.dnsimple.com

dnsimple-edge.net + dnsimple-edge.org + moreanswers its DNS

alt1.aspmx.l.google.comalt3.aspmx.l.google.comaspmx.l.google.comalt2.aspmx.l.google.com+1 more

Google Workspacereceives its email

HTTPS probe

ok Responding normally (2xx) 200 OK

HTTP status200

Servercloudflare

TLS protocolHTTP/3

TLS issuernot observed

Behind Cloudflareyes

Response time155 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 2

141.193.213.11
141.193.213.10

MX 5

5alt1.aspmx.l.google.com
10alt3.aspmx.l.google.com
1aspmx.l.google.com
5alt2.aspmx.l.google.com
10alt4.aspmx.l.google.com

TXT 3

v=spf1 include:_spf.google.com include:amazonses.com ~all
v=DMARC1;p=quarantine;rua=mailto:postmaster@prebid.org
v=DKIM1; (detected)

NS 4

ns2.dnsimple-edge.net
ns4.dnsimple-edge.org
ns3.dnsimple.com
ns1.dnsimple.com

SOA 1

ns1.dnsimple.com admin.dnsimple.com

TLS Certificates (0)

None.

Subdomains (7)

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 prebid.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 6ff185b9-b653-4660-b2e3-9b169f2fd48a
Output Hash: c3ba666c609cdbdf3addc26374dc391cdde3a5e560097c8e463a5471a114e3e6
Signature: ed25519:f2a348bb6171bb9f112b85a899008123acb243613f44321aed31bc253a8feeb8ec45d8aec3c887434ca6ae9d5a96089af84ff1e484609a07d9632666f5e6f40f
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/prebid.org