Enter multiple domains, one per line, and check their IP addresses and DNS records in one pass.
// Results will appear here
Lookups are performed using Google's public DNS-over-HTTPS resolver, queried directly from your browser for each domain in your list.
Checking SSL certificate expiry requires an actual TLS handshake, which a browser can't perform against an arbitrary domain due to security restrictions. This needs a small server-side helper — it's on the roadmap for this tool.