washington.edu

Observed 2026-07-12T16:32:34.981Z (11h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byProofpoint

Also usesDocuSignGoogle Search Console

6 subdomains · education_expanded

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

INFRASTRUCTURE MAPwhat washington.edu actually stands on - every host below is a signed observation

washington.edu

A / AAAA

128.208.60.183128.208.60.20834.168.51.10034.82.219.4

Cloudflareserves the site

hanna.cac.washington.edumarge.cac.washington.eduholly.s.uw.edu

washington.edu + uw.eduanswers its DNS

mxa-00641c01.gslb.pphosted.commxb-00641c01.gslb.pphosted.com

Proofpointreceives its email

HTTPS probe

redirect Redirecting (3xx) 302 → https://www.washington.edu/

HTTP status302

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time182 ms

DNS resolutionNOERROR

Redirect chain

https://www.washington.edu/

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

DNS Records

A 4

128.208.60.183
128.208.60.208
34.168.51.100
34.82.219.4

MX 2

100mxa-00641c01.gslb.pphosted.com
100mxb-00641c01.gslb.pphosted.com

TXT 8

9WzL6CUtGSDvyRlyX3PDhYUG8m/W1G+mgjeohqshzYAWYm9RRb+1/8QMXJjWEAzch5GmhX7fjA4/Rfx28Iunhw==
docusign=e3706ae5-29d1-4ecd-b135-9d42971e01b3
docusign=b901bb56-fe09-4f9d-9e30-87402e9197a7
yahoo-verification-key=febaEICJ1R7EjK8J6uJdgklMp+LFLtpNHd/Il8CZ7IY=
i4s43bEMav5NFqlp50Jf8mDeG7JfEQk8tc3eL2+Jhf+YljFwBDz9fVStOp0icfcpHybCO0DGhNn7CbgRHaGbuw==
google-site-verification=FTXGiMcRTGSZM8mNFZ2zLn1wkN9dQGnBcTyojncI1jY
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ?all
v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;

NS 3

hanna.cac.washington.edu
marge.cac.washington.edu
holly.s.uw.edu

SOA 1

hanna.cac.washington.edu domainmaster.cac.washington.edu

TLS Certificates (0)

None.

Subdomains (6)

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 washington.edu. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 00315710-f11c-4fa0-9efa-24dfd0b0944b
Output Hash: 2fc41ed2f10bc56134b3a977755219fd6d6d16cadc7e9c46f53ea43cb23305b8
Signature: ed25519:e273b927c9e599d85c4655f734572595152a0cf0dba79123e30475e64e3d8896998215025ebbb127420f6e25a72b491b7dc9551b93a6d5827567343492c67c08
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

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