us-east-1-renderer-write.knack.com is a subdomain of Knack, a well‑established no‑code application development platform. Most of the signals we checked point to a legitimate business: a valid SSL certificate, six years of web archive history, and a clean bill of health from Google Web Risk and DNS blacklists. The company is transparent about who they are, with an about page, contact information, and active social media profiles.
That said, the page itself is a redirect page that loads 26 external scripts and contains 18 hidden elements. While large marketing pages from major platforms can legitimately include many scripts for analytics and chat widgets, the volume here is high enough to warrant a quick check. The page also has no DNSSEC and no email‑handling records, which are minor omissions for a subdomain that redirects users to the main site.
If you're wondering “is us‑east‑1‑renderer‑write.knack.com a scam?” — there is no evidence to suggest that. The subdomain appears to be a technical endpoint used by the Knack platform. The safest bet is to bookmark knack.com directly and only use that URL for logging in or managing your account. The redirect page itself doesn’t collect information or require action, so there’s little risk in visiting it.