stroke.org

Observed 2026-07-12T14:02:49.270Z (13h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byProofpoint

Registered withMarkMonitor Inc.

Also usesGoogle Search ConsoleFacebook/Meta

tranco_40k

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

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

stroke.org

A / AAAA

104.18.21.19104.18.20.19

Cloudflareserves the site

ns3.heart.orgns1.heart.orgns2.heart.org

heart.organswers its DNS

mxa-004ad404.gslb.pphosted.commxb-004ad404.gslb.pphosted.com

Proofpointreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.stroke.org/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time78 ms

DNS resolutionNOERROR

Redirect chain

https://www.stroke.org/

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

DNS Records

A 2

104.18.21.19
104.18.20.19

MX 2

10mxa-004ad404.gslb.pphosted.com
10mxb-004ad404.gslb.pphosted.com

TXT 6

MS=ms76128161
v=spf1 include:spf.protection.outlook.com ip4:207.109.138.47 ip4:148.163.159.107 ip4:148.163.159.109 ip4:148.163.157.131 ip4:148.163.157.134 -all
google-site-verification=oOSxnoL20VOtAb5iriSZ5fSlccy_E8_3AiT-gH1F3Wc
rg-prod-sitecore-east-501290-cd.azurewebsites.netrg-prod-sitecore-west-501290-cd.azurewebsites.net
facebook-domain-verification=bsidhbje8joirqe78b5j8fn59s3oa0
v=DMARC1;p=reject;sp=reject;fo=1;rua=mailto:dmarc_rua@emaildefense.proofpoint.com;ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

NS 3

ns3.heart.org
ns1.heart.org
ns2.heart.org

SOA 1

ns1.heart.org domainregistration.heart.org

TLS Certificates (0)

None.

Subdomains (4)

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

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

Ed25519 Receipt

Receipt ID: eb546cec-708e-4237-99d8-a2d602d26771
Output Hash: dfc641a6e348f5e15d9de05f01ca187a9115aa1ce9d5eff9adb4dc84b03c700d
Signature: ed25519:582e8e45eda05ea1f49c53164d2345dfc85e3bf1bdd4d5009fd73f568588c7053ffa58f5c8696135541c92405fca3bd171d82a658a571db5d17a803592f0080f
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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