challenges.fr

Observed Jul 18, 2026, 13:17 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onAmazon

Email byAmazon SES

Secured byAmazon

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

18.165.83.11818.165.83.4418.165.83.9518.165.83.76

Amazonserves the site

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

awsdns-44.org + awsdns-20.com + moreanswers its DNS

mx1.sfagroup.commx2.sfagroup.com

Amazon SESreceives its email

TLS

challenges.fr

Amazonissued its certificate

DNS Records

A 4

18.165.83.118
18.165.83.44
18.165.83.95
18.165.83.76

MX 2

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

TXT 9

9niqotp.x.incapdns.net
MS=ms23694282
Sendinblue-code:fd3721f17a7d65e85f7eced54d62a43d
ZOOM_verify_OUNuLake7S02M7YjsE9pep
_globalsign-domain-verification=0N_y0QUF3JytLn8eWFfvuwRi0raZ0FTB2S47JBcJGm
facebook-domain-verification=wa2em57vgr2rlinb1eu6x95ghqphvq
google-site-verification=q2Sw1NqP06BZeqKnC_E3hJ_Bh1dI9Wq3OJ4dMWPXL8I
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
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-1379.awsdns-44.org
ns-161.awsdns-20.com
ns-1645.awsdns-13.co.uk
ns-660.awsdns-18.net

SOA 1

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

TLS Certificates (3)

Common Name	Issuer	Expires
`challenges.fr`	C=US, O=Amazon, CN=Amazon RSA 2048 M04	Tue, 15 Dec 2026 23:59:59 +0000
`Amazon RSA 2048 M04`	C=US, O=Amazon, CN=Amazon Root CA 1	Fri, 23 Aug 2030 22:26:35 +0000
`Amazon Root CA 1`	C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2	Thu, 31 Dec 2037 01:00:00 +0000

Subdomains (0)

None observed.

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: e0459f61-06f6-4844-b43d-cd3861f1b928
Output Hash: ce77e937d6d7a4e06e238ac5fd212c79c6e8ae2dfd857ec6c2535454f89c5c9f
Signature: ed25519:c59fae6de3c17762028b172f5ae88fd27b966856aaf3c3630f1ae27997e6f0e0b11d4d66d3b9335d41f7ffd540c60210cdeedda9fd1b224ac82435367207c308
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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