polytechnique.fr

Observed 2026-07-15T09:27:25.274Z (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email bySalesforce

Registered withGIP RENATER

Also usesZoomGoogle Search Console

11 subdomains · education_expanded

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

INFRASTRUCTURE MAPwhat polytechnique.fr actually stands on - every host below is a signed observation

polytechnique.fr

A / AAAA

129.104.30.29

Cloudflareserves the site

milou.polytechnique.frpicaros.polytechnique.frns2.nic.frrackham.polytechnique.fr

polytechnique.fr + nic.franswers its DNS

mx-b.polytechnique.frmx-a.polytechnique.fr

Salesforcereceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.polytechnique.edu/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time779 ms

DNS resolutionNOERROR

Redirect chain

https://www.polytechnique.edu/

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

DNS Records

A 1

129.104.30.29

MX 2

10mx-b.polytechnique.fr
10mx-a.polytechnique.fr

TXT 6

ZOOM_verify_VW1GDtnRTGa6Iydcn9vABQ
v=spf1 mx ip4:129.104.30.11 ip4:129.104.30.12 ip4:129.104.30.128/28 ip4:129.104.0.0/24 include:_spf.salesforce.com include:spf.protection.outlook.com ?all
MS=ms73317296
google-site-verification=PweeHgOqAJqmpj_Rm1FawgAA-WKuD5LTuwGnAMchkP0
v=DMARC1; p=none; pct=100; rua=mailto:dmarc-rua@polytechnique.fr; adkim=s; aspf=s;
v=DNSSEC1; (detected)

NS 4

milou.polytechnique.fr
picaros.polytechnique.fr
ns2.nic.fr
rackham.polytechnique.fr

SOA 1

milou.polytechnique.fr hostmaster.polytechnique.fr

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 polytechnique.fr. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 7aa49cdb-0ea4-416c-96a7-4406e8b8927e
Output Hash: f27b0bcb651aba5058adfc8d8a3c5c2b2623e42e18c0ba046d2f046c085d3e53
Signature: ed25519:30b176d649f9cc5521160651171df0206790fea623a0da0c19e20638956bec683bae585d817bd0770cda8aa676b1e40df529fc88d0d526c231f82a28cd3ae50d
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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