DOMAIN LOOKUP TOOLS

Website Lookup Tools

Look up DNS, HTTPS certificates, RDAP registration, HTTP headers, page metadata and website technologies.

DNS LookupView public A, AAAA, CNAME, MX, NS and TXT records and identified service providers. HTTPS and Certificate LookupCheck certificate issuers, validity, hostname matching, protocols and connection encryption. RDAP Domain LookupExplore the registrar, registration and expiry dates, domain status, nameservers and DNSSEC. HTTP Header LookupCheck response status, final URL, caching and common browser-security headers. Page and SEO LookupExplore canonical URLs, page language, Open Graph, robots.txt and sitemaps. Website Technology LookupIdentify frameworks, CMS platforms, services and publicly exposed versions.

What you can learn

  1. Learn about domain infrastructureCheck DNS records, email services, registration status and service providers.
  2. Check connections and configurationExplore HTTPS certificates, protocols, response headers and browser security policies.
  3. Explore search and technology featuresExplore page metadata, social sharing and identified website technologies.