Free website checks & tools
Free, passive checks for SSL, DNS, DMARC, SPF, security headers, uptime and overall website risk.
DMARC checker
Free DMARC checker: look up any domain's DMARC record, see its policy and alignment, and run a full website risk scan in one place. No signup.
DNS checker
Free DNS checker: look up A, AAAA, MX, NS, TXT and CNAME records for any domain, then run a full website risk scan in one place. No signup.
HTTP status checker
Free HTTP status checker: see a URL's status code, redirect chain and response, then run a full website risk scan in one place. No signup needed.
Security headers checker
Free security headers checker: see which HTTP security headers a site sends — HSTS, CSP, X-Frame-Options and more — plus a full risk scan. No signup.
SPF checker
Free SPF checker: look up any domain's SPF record, spot syntax and lookup issues, and run a full website risk scan in one place. No signup needed.
SSL expiry checker
Free SSL expiry checker: see when any site's SSL certificate expires, the issuer and chain, plus a full website risk scan. No signup to check.
Uptime checker
Free uptime checker: see if a website is up or down right now and how fast it responds, then run a full website risk scan. No signup needed.
Website risk score
Free website risk score checker: get an explainable 0-100 score covering uptime, SSL, DNS, email security and headers in one full scan. No signup.