Tech Stack
keirin.jp
DNS Provider
AWS Route 53
NS: ns-128.awsdns-16.com
NS: ns-1314.awsdns-36.org
NS: ns-873.awsdns-45.net
NS: ns-1760.awsdns-28.co.uk
Email Provider
Self-hosted
MX (priority 10): feedback-smtp.ap-northeast-1.amazonses.com
CDN
Not detected
Hosting
Amazon Web Services
IP: 3.170.42.11
ASN: AS16509
ASN name: Amazon.com, Inc.
Web Server
Not detected
Server header: WebOTX_Web_Server
Framework
Not detected
Third-Party Verifications
Google Search Console
Detected from TXT records — these indicate the domain owner has verified with the listed service.