NetgearInsight購入ページに行けません。

Netgearに伝える方法が分からず、ここに投稿します。

https://www.netgear.com/jp/business/services/insight/

の「ご購入はこちら」に行くと下記エラーが出ます。

504 ERROR

The request could not be satisfied.

CloudFront attempted to establish a connection with the origin, but either the attempt failed or the origin closed the connection. We can't connect to the server for this app or website at this time. There might be too much traffic or a configuration error. Try again later, or contact the app or website owner.
If you provide content to customers through CloudFront, you can find steps to troubleshoot and help prevent this error by reviewing the CloudFront documentation.

Generated by cloudfront (CloudFront)
Request ID: HEV1kR7CbktjzEixFKwO_ZUvhYGvHoeB6V6qHvbFk5sXsk-oewiJIA==

購入しようとして504って不安しかないです。