prairielearn.com

Observed 2026-07-14T14:38:31.844Z (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Registered withAmazon Registrar, Inc.

Also usesGoogle Search ConsoleStripe

IPv6 · 3 subdomains · tranco_40k

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

INFRASTRUCTURE MAPwhat prairielearn.com actually stands on - every host below is a signed observation

prairielearn.com

A / AAAA

104.26.7.66104.26.6.66172.67.72.1942606:4700:20::681a:642+2 more

Cloudflareserves the site

meiling.ns.cloudflare.comarmfazh.ns.cloudflare.com

cloudflare.comanswers its DNS

aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comoktpzuuh347lef6xywtertiwoxmawhxakgwhvfhactewikhopxzq.mx-verification.google.com+2 more

Google Workspacereceives its email

HTTPS probe

redirect Redirecting (3xx) 308 → https://www.prairielearn.com/

HTTP status308

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time211 ms

DNS resolutionNOERROR

Redirect chain

https://www.prairielearn.com/

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

DNS Records

A 3

104.26.7.66
104.26.6.66
172.67.72.194

AAAA 3

2606:4700:20::681a:642
2606:4700:20::681a:742
2606:4700:20::ac43:48c2

MX 6

1aspmx.l.google.com
5alt2.aspmx.l.google.com
10alt3.aspmx.l.google.com
15oktpzuuh347lef6xywtertiwoxmawhxakgwhvfhactewikhopxzq.mx-verification.google.com
10alt4.aspmx.l.google.com
5alt1.aspmx.l.google.com

TXT 7

google-site-verification=WPirh3_V7zkkxX23U6wNXhZjBbNPawrefzjxDED5VwM
MS=6A8ADBB032E2CD9CD93B187BE98CFA1C6F4744F9
apple-domain-verification=5dsmepwghtB9n3gK
v=spf1 include:_spf.google.com include:spf.zoho.com include:transmail.net include:spf.zohomail360.com ~all
stripe-verification=1eedf9f773dc8386ee6e28e6c51457c8ac45653080ed8e8960c03bbff410b132
v=DMARC1; p=none; rua=mailto:0adb4658fd5440b4ab1116e2f6704e51@dmarc-reports.cloudflare.net;
v=DKIM1; (detected)

NS 2

meiling.ns.cloudflare.com
armfazh.ns.cloudflare.com

SOA 1

armfazh.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (0)

None.

Subdomains (3)

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

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

Ed25519 Receipt

Receipt ID: 2e7c30e1-3ffc-4095-8b24-244adce342ba
Output Hash: a704e9cfc4cfb2053f24e1f849b139d6cd2ec8c22687db5249c134f5f84d6f5b
Signature: ed25519:30342c2874562dc1bae35179775bfcae64d6070363b799b93fe95a5e68e220d2ca33d298ef7a0ab0b4f130976844bed0af506c517ab43c45650493193015af0d
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/prairielearn.com