Tech Stack
challenges.fr
DNS Provider
AWS Route 53
NS: ns-161.awsdns-20.com
NS: ns-1645.awsdns-13.co.uk
NS: ns-1379.awsdns-44.org
NS: ns-660.awsdns-18.net
Email Provider
Self-hosted
MX (priority 10): mx1.sfagroup.com
MX (priority 20): mx2.sfagroup.com
CDN
Not detected
Hosting
Amazon Web Services
IP: 13.226.209.6
ASN: AS16509
ASN name: Amazon.com, Inc.
Web Server
Not detected
Server header: CloudFront
Framework
Not detected
Third-Party Verifications
Google Search ConsoleFacebook Domain Verification
Detected from TXT records — these indicate the domain owner has verified with the listed service.