Third time I'm hearing this... I think it might have something to do with: a) newish domain, b) uncommon TLD ".one" or c) cloudflare DNS setup pointed to netlify with cname flattening. I'm a noob when it comes to DNS stuff, so I'm not sure if/why that would cause problems, but who knows. If anyone else has an idea, let me know!

--- I think I figured it out. Someone mentioned "Cisco Umbrella" blocking it. This article explains the categories of 'threats' it blocks: https://support.umbrella.com/hc/en-us/articles/115004563666-...

One of the categories is "newly seen domains" and another is "dynamic DNS". I suspect one (or both) of those is the culprit because everything else appears clean on total scans like this: https://www.virustotal.com/gui/domain/themes.vscode.one/dete...