that cloudflare message is shown auto from cloudflare. the op or dev in control has no way to change the text "accessing btc-flow.com". theres no way that this message links the 2 sites together its on 1000s of sites using cloudflare
The cloudflare message can be faked. The scammer shows up that message when you enter the site, so it looks more like a legit site. Cloudflare is not sending the message.