Inspect any domain
See who handles its DNS, web traffic and email, what is configured correctly, and what needs attention.
Free checks left: 5 of 5. Signed-in users have a higher limit.
What each report covers
Registration
Registrar, dates, expiry and registry statuses from RDAP
DNS
Records with and without www, nameservers, DNSSEC chain validation
IP & hosting
Every IP with its ASN, network owner and approximate country
SSL & website
SSL certificates, redirects, HSTS, www and non-www behavior
Email
MX, SPF, DMARC, DKIM selectors, MTA-STS
Security & SEO
Security headers, robots.txt, sitemaps, noindex, platform
Read-only: only public DNS lookups and ordinary web requests on ports 80 and 443. No port scanning, logins or vulnerability testing.