Kanishkchahar/dns-analyzer ? reverse-engineered prompt

Build me a simple web app that lets someone paste a domain or even a full URL, then checks the DNS records for it and shows the results in a clean dashboard.

I want it to fetch the main record types like A, AAAA, MX, NS, TXT, CNAME, and SOA, then run a few practical checks for common DNS problems, like missing name servers, bad mail setup, CNAME conflicts, weird SOA values, and suspicious TTL values. The results should be easy to read, with clear error, warning, and info labels, plus a short summary at the top.

It should also handle bad input nicely, and let the user download a standalone HTML report of the analysis. Keep the interface simple, accessible, and fast, with a dark modern look. If you need to look up current docs online for the DNS or FastAPI pieces, go ahead.