Lookup

Look up a single domain, host, IP address or website, either in real time or from Deepinfo's history.

Request Returns
Domain WHOIS Current registration record of a domain
DNS Current DNS records (up to 5 types per call)
IP WHOIS Current registration details of an IP address
SSL The certificate served by a host
Port Scan Open ports and services of a host
Technology Technologies a website runs on
Screenshot A screenshot of a web page, with options in the query string
Screenshot (POST) The same, with options in a JSON body
Web Data Content, metadata, links, trackers, headers and cookies of a web page, optionally with a screenshot
DNS History Every DNS value observed for a domain over time
WHOIS History Every WHOIS record observed for a domain over time

Each request uses one quota unit on your plan.

Base URL
https://api.deepinfo.com/v1
MethodEndpointPath
GETDomain WHOIS/lookup/whoisReturns the current WHOIS registration record of a domain: registrar, registrant, creation, update and expiry dates, name servers and status codes. The record is queried in real time. The response includes both the raw WHOIS text and a parsed version./lookup/whois
GETDNS/lookup/dnsResolves the current DNS records of a domain or hostname in real time. Request up to five record types in one call. Each request uses one quota unit, whether you ask for one type or five./lookup/dns
GETIP WHOIS/lookup/ip-whoisReturns the current registration details of an IP address from the regional internet registries (RDAP/WHOIS): the owning network and its range, the ASN, the registry, and contact entities./lookup/ip-whois
GETSSL/lookup/sslConnects to a host in real time and returns the SSL/TLS certificate it serves: subject, issuer, validity, fingerprints, extensions (including all DNS names in the Subject Alternative Name) and whether the signature and chain are valid./lookup/ssl
POSTPort Scan/lookup/port-scanScans a host in real time and returns its open TCP/UDP ports and the services running on them. Optionally detects service versions and the operating system./lookup/port-scan
GETTechnology/lookup/technologyLoads a website in real time and detects the technologies it runs on: CMS, web frameworks, JavaScript libraries, CDN, analytics, chat widgets and more. Each technology comes with its categories, the detected version (when the site reveals it) and a CPE name./lookup/technology
GETScreenshot/lookup/screenshotOpens a web page in a real browser and returns a link to a screenshot of it. Options control the viewport, full-page capture, mobile emulation, image format and how long to wait for the page./lookup/screenshot
POSTScreenshot (POST)/lookup/screenshotSame as Screenshot, with the options in a JSON body instead of the query string. Use it when a value is too long for a URL, such as custom_html. The response is the same./lookup/screenshot
GETWeb Data/lookup/webdataLoads a web page in a real browser and returns everything Deepinfo extracts from it, in one call: detected technologies, page metadata (title, description, Open Graph tags, JSON-LD), the HTML source and visible text, links, scripts, trackers (Google Analytics, AdSense and Tag Manager IDs), e-mail addresses, favicons, robots.txt, and the HTTP response headers, cookies and redirects. Add screenshot=true to capture a screenshot as well./lookup/webdata
GETDNS History/analyze/dns-historyReturns the historical DNS records Deepinfo has observed for a domain or FQDN, including values that have since changed or been removed (passive DNS). Use it to see how a domain's hosting, mail and name servers changed over time./analyze/dns-history
GETWHOIS History/analyze/whois-historyReturns the historical WHOIS records of a domain: every distinct registration record Deepinfo has observed, with the dates it was seen. Use it to track ownership, registrar and name server changes./analyze/whois-history

Reference updated