Free website speed & SEO audit

Lighthouse audits with real Chrome user data. Powered by Google PageSpeed Insights.

More tools

9 tools available

DNS

DNS lookup

A, AAAA, MX, TXT, NS, CNAME, CAA

WHOIS

Domain registration via RDAP

Propagation

Six resolvers worldwide

IP geolocation

Country, city, ISP, ASN

Email deliverability

SPF check

Validate SPF, walk include chains

DMARC check

Policy and alignment

Blacklist check

Six DNSBLs, IP or domain

SSL and security

SSL check

Cert issuer, expiry, SANs

Security headers

HSTS, CSP, X-Frame, graded

Scores have ±5 point natural variance, so re-run for confidence.