SSL chain · DNS · DNSSEC · SPF/DMARC · tech stack · headers · redirects · open ports · WAF · WHOIS · sitemap · archive — all in one place, in real time.
WebScan is my PHP port of Alicia Sykes' web-check (MIT) — rebuilt to run on plain shared hosting, with the SevinHub theme baked in. No Node, no Docker, no tracking. I run it as a free tool for the SevinHub community.