challenges.fr

Observed 2026-07-14T12:37:40.794Z (20h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byAmazon SES

Registered withAURIC

Also usesZoomFacebook/MetaGoogle Search Console

tranco_40k

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

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

challenges.fr

A / AAAA

18.239.199.5718.239.199.12918.239.199.3718.239.199.7

Cloudflareserves the site

ns-1645.awsdns-13.co.ukns-1379.awsdns-44.orgns-161.awsdns-20.comns-660.awsdns-18.net

awsdns-13.co.uk + awsdns-44.org + moreanswers its DNS

mx2.sfagroup.commx1.sfagroup.com

Amazon SESreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.challenges.fr:443/

HTTP status301

Servercloudflare

TLS protocolHTTP/3

TLS issuernot observed

Behind Cloudflareyes

Response time509 ms

DNS resolutionNOERROR

Redirect chain

https://www.challenges.fr:443/

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

DNS Records

A 4

18.239.199.57
18.239.199.129
18.239.199.37
18.239.199.7

MX 2

20mx2.sfagroup.com
10mx1.sfagroup.com

TXT 9

ZOOM_verify_OUNuLake7S02M7YjsE9pep
_globalsign-domain-verification=0N_y0QUF3JytLn8eWFfvuwRi0raZ0FTB2S47JBcJGm
Sendinblue-code:fd3721f17a7d65e85f7eced54d62a43d
facebook-domain-verification=wa2em57vgr2rlinb1eu6x95ghqphvq
v=spf1 mx ptr:rev.nouvelobs.com include:spf.mandrillapp.com include:amazonses.com ip4:78.153.234.233 a:mx.biwing.fr ip4:213.41.17.153 include:spf.protection.outlook.com include:spf.sendinblue.com include:spf.voxpay.fr -all
MS=ms23694282
google-site-verification=q2Sw1NqP06BZeqKnC_E3hJ_Bh1dI9Wq3OJ4dMWPXL8I
9niqotp.x.incapdns.net
v=DMARC1; p=none; sp=none; rua=mailto:dmarc@mailinblue.com!10m,mailto:dmarc_agg@vali.email; ruf=mailto:dmarc@mailinblue.com!10m; rf=afrf; pct=100; ri=86400

NS 4

ns-1645.awsdns-13.co.uk
ns-1379.awsdns-44.org
ns-161.awsdns-20.com
ns-660.awsdns-18.net

SOA 1

ns-660.awsdns-18.net awsdns-hostmaster.amazon.com

TLS Certificates (0)

None.

Subdomains (8)

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

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

Ed25519 Receipt

Receipt ID: 78ce9b9f-0ed0-43cb-910f-8b8c227235a7
Output Hash: 9dcf5ee76aaaf8412719eeb1d75cdbceb55e2a4e463e0071d7ae5a3aedc7a0fe
Signature: ed25519:a689c852012c3a7e0559c088f95ac9c12740a7ebe34efe36f07874b47576e046b8ee7ea26334e52322b93e0e4da2fcd3a25419fa5dc3c353e095a86e2df8580c
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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