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Description
WHOIS, DNS, SSL, email-security (SPF/DKIM/DMARC), subdomain discovery, tech stack & domain health — all in one popup. DomainIntel is the all-in-one domain research toolbar for web developers, SEO professionals, domain investors, and security researchers. One click on any website gives you everything you need to know about a domain. WHOIS and registration - registrar, creation date, domain age, expiry, status codes, nameservers and DNSSEC from authoritative RDAP registries. DNS records - A, AAAA, CNAME, MX, NS, TXT and SOA via secure DNS-over-HTTPS. SSL certificates - issuer, validity, days-to-expiry and certificate history from public Certificate Transparency logs. Email security audit - instantly check SPF, DKIM and DMARC to see whether a domain is protected against email spoofing and phishing. Subdomain discovery - enumerate a domain's subdomains from public Certificate Transparency logs. Domain health score - a graded A-F report combining domain age, DNSSEC, SSL, mail and email-security into one number. Technology stack - detect the frameworks, CMS, analytics and tools running on the page you are viewing. Domain availability - instantly see whether a domain is registered or available; bulk-check up to 100 domains and export to CSV. Monitoring and alerts - track your domains and get desktop alerts before they expire, or when their registrar, nameservers or status change (transfer / hijack detection). Plus reverse DNS, a DNS propagation checker, a historical WHOIS archive and SEO authority metrics. Privacy first - no backend of our own. We never collect your browsing history. Only the domain you look up is sent, to public services. Everything returned is public record. Free includes generous daily lookups. Upgrade to Pro or Ultra for unlimited lookups and the pro tools.