Domainr is a domain name search service with instant, per-keystroke search and context-aware suggestions for top-level domains. It is described as an ICANN-accredited domain status API provider with direct access to domain registry data. The Fastly Domain Research API checks whether a domain is available, premium-priced or for sale in a major aftermarket. Domainr is part of Fastly.
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Chiasmodon is an OSINT tool designed to assist in the process of gathering information about a target domain. Its primary functionality revolves around searching for domain-related data, including domain emails, domain credentials, CIDRs , ASNs , and subdomains, the tool also allows users to search Google Play application ID.
The Public Domain Review is an online journal and not-for-profit project exploring curious and compelling works from the history of art, literature, and ideas, focusing on works in the public domain. It publishes essays and collections and operates an online shop offering fine art prints.
PingCastle Cloud provides a search page for Azure tenants by domain name or tenant ID. Domain searches use online OpenID configuration data, while ID searches rely on a database built from publicly known domains from certificate transparency records, with each domain checked for OpenID configuration and collected tenant IDs. It lists known tenants.
CATH is a free online database providing information on evolutionary relationships of protein domains, developed by the Orengo group at University College London. Structures from the Protein Data Bank are split into domains and classified by class, architecture, topology and homologous superfamily. Gene3D adds sequence data from UniProtKB and Ensembl, assigning domains to superfamilies.
DomainTyper is an instant domain name search tool that helps users find available domain names. It searches as you type, supports every extension, and provides alternative suggestions when a domain is already registered.
Domain monitoring tool for tracking DNS changes, records, and domain activity.
Free Domain is a storage, design, or frontend resource for mockups, assets, UI tools, or web search.
Public Domain Sherpa is a storage, design, or frontend resource for mockups, assets, UI tools, or web search.
URL Shorteners Search, hosted at shorteners.grayhatwarfare.com, is a search tool for indexed shortened URLs. It indexes 1.1 billion URLs from 3.6 billion domains, with updates as recent as 06 November 2025. The service provides a public API for searching, fetching, filtering, and sorting shortener URLs and domains, with free registered and premium user tiers. A scrolling API for bulk result fetching is available to Enterprise package users.
DARPA Memex is a program seeking to develop next-generation search technologies for discovering, organizing and presenting domain-specific content. It aims to extend search beyond a centralized model to the deep web and nontraditional content. The program initially plans to address fighting human trafficking. It is specifically not interested in deanonymizing servers, attributing identity to IP addresses, or accessing non-public information.
CuteStat is a web service for website owners, webmasters and general internet users to retrieve information related to domain name, IP address, web server and search engine optimization. It provides statistical reports for any website, including website valuation, search engine reports, traffic reports, social engagement, safety, host information, domain WHOIS and page speed.
OSINT Toolkit Website Information is a collection of tools for researching websites, IP addresses, domains, emails and MAC addresses. It lists lookups including Ping Website, Whois, reverse Whois, network and TLD lookup, IP history and geolocation, MAC vendor lookup, DNS report and header and source code search. The page states that some tools require the IP address, email address, domain name or MAC address of the target.
Verisign WHOIS lookup for checking domain registration records and registry information.
Corporation Wiki is associated with the domain corporationwiki.com. As per the provided source, the domain is controlled by Atlas Data Privacy Corporation following a settled New Jersey Superior Court lawsuit filed under Daniel’s Law regarding disclosure of personal information for covered persons.
OSINT.sh tool for checking historical DNS records and domain infrastructure changes.
DNSlytics is an online investigation tool for viewing information about IP addresses, domain names and providers. It offers DNS lookups, email testing, WHOIS lookups, and reports on AS/BGP, CIDR and TLD data. Premium website access and a premium API provide additional page views, monitors and data.
LibriVox is a volunteer-run project that records public domain books as audiobooks and releases them for free. Volunteers from around the world read and record chapters, and the audio files are placed in the public domain. Listeners can play or download files in a browser or transfer them to a media player. The project describes itself as a non-commercial, non-profit and ad-free library of audiobooks.
LibriVox is described as the acoustical liberation of books in the public domain. The site offers browsing of its catalog and an advanced search with multiple fields and options. It notes that LibriVox recordings are public domain in the USA, and advises users outside the USA to verify copyright status in their own country before downloading.
Open source tool that searches newly registered domain feeds to find typosquatting, IDN homograph, doppelganger and bitsquatting domains impersonating
Phonebook.cz is a lookup tool from Intelligence X that lists domains, email addresses, or URLs for a given input domain. Access requires login through an intelx.io account and a paid license. The service states that it searches 313 billion records.
Website discovery tool for finding similar websites by category, topic, or domain.
SmallSEOTools is a collection of free SEO tools for checking backlinks, tracking keyword positions and more. It groups text analysis, image editing, keyword, backlink, website management, tracking, domain and meta tag tools. A separate paid plan covers plagiarism checking, image search and related features.
OSINT.sh tool for discovering subdomains connected to a target domain.