poly.edu

Observed Jul 18, 2026, 15:24 UTC (6h ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding

Runs onNew York University

Email byMicrosoft 365

11 subdomains · tranco_100k

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

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

poly.edu

A / AAAA

128.238.1.6835.172.89.115128.238.111.62128.238.1.69+2 more

New York Universityserves the site

ns2.poly.edupoly-addr-vm-01.poly.eduphoton.poly.edugatekeeper.poly.edu+5 more

poly.eduanswers its DNS

d285629a.ess.barracudanetworks.comd285629b.ess.barracudanetworks.compoly-edu.mail.protection.outlook.com

Microsoft 365receives its email

HTTPS probe

timeout No response within the timeout Connection timed out - no response within 3s

HTTP status0

Servernot observed

TLS protocolnot observed

TLS issuernot observed

Behind Cloudflareno

Response time6201 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 6

128.238.1.68
35.172.89.115
128.238.111.62
128.238.1.69
128.238.1.62
128.238.1.63

MX 3

10d285629a.ess.barracudanetworks.com
15d285629b.ess.barracudanetworks.com
20poly-edu.mail.protection.outlook.com

TXT 6

v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com a:outlook.com mx:poly.edu mx:mail.poly.edu mx:duke.poly.edu mx:minion.poly.edu mx:students.poly.edu ~all
C41CA3C6993B7B10FA47B05C51DABEB5
3601093087071A41093ECB77EE24BB14
apple-domain-verification=PKlpMMYuXje4V8l2
FC1C7A1F8EC1F88AA19C684786126688
v=DMARC1; p=none; rua=mailto:hani@nyu.edu

NS 9

ns2.poly.edu
poly-addr-vm-01.poly.edu
photon.poly.edu
gatekeeper.poly.edu
wins-vm-01.poly.edu
dns-vm-01.poly.edu
poly-ad-vm-01.poly.edu
ns1.poly.edu
poly-ad-vm-02.poly.edu

SOA 1

dns-vm-01.poly.edu poly.edu

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

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

Ed25519 Receipt

Receipt ID: ba11b224-85b7-4053-894e-4fcf558e790c
Output Hash: 5c29e9d50ecdedab4c013581f0dc1412f20daba17c9610772942775fb50274fa
Signature: ed25519:89403d4eba28cccc265104d3302590b6e5ed3cb1cd80458b6714b74a0ee6d14761ce0ebb5ab8bcfe580e307f92ae1a1a65932a6ca9e460a4ed5422af845f2402
Public Key: ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent: (genesis)
Plane: fast

Verify this in your browser

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