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DNS Lookup
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Queries DNS-over-HTTPS for all record types: A, AAAA, MX, NS, TXT, CNAME. Detects CDN/proxied domains, IPv6 support, mail config, and gives DNS optimization advice.

DNS Summary
Enter a domain above and click "Lookup DNS" to start.
Email Health Check
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Checks MX records, SPF, DMARC, DKIM (common selectors), and BIMI. Grades your email configuration from A+ to F. All checks via DNS-over-HTTPS — no email is sent.

Subdomain Scanner
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Scans 40+ common subdomains (www, mail, api, dev, admin, blog, etc.) via DNS-over-HTTPS. Shows which ones resolve and their IP addresses. Pure passive DNS — no intrusive scanning.

Website Speed Test
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Tests how fast a website loads from your selected location. DNS resolved via Cloudflare DoH (1.1.1.1). Connection timing measured via Resource Timing API. Share your test results via the URL — it updates automatically.

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