whois.domaintools.com
Domain Tools is a web tool for finding, checking, or analyzing online information related to domains, networks, and digital services.
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centralops.net
Domain Dossier is a tool that generates reports from public records about domain names and IP addresses. The reports may show owner contact information, registrar and registry details, the hosting company, IP address geographic location, server type and upstream networks. It accepts domain names and IP addresses; results are normally retrieved from original sources when requested, with copies kept in memory for up to 24 hours.
domainr.com
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.
domaincrawler.com
Domain Crawler is a web tool for finding, checking, or analyzing online information related to domains, networks, and digital services.
kriztalz.sh
Domain Recon Tool is a free online tool for security researchers and analysts that retrieves DNS records, WHOIS and RDAP data, SSL certificates, IP addresses and subdomains for a domain or URL. It supports complete DNS record analysis and WHOIS registration data retrieval.
github.com
Free Domain is a storage, design, or frontend resource for mockups, assets, UI tools, or web search.
publicdomainsherpa.com
Public Domain Sherpa is a storage, design, or frontend resource for mockups, assets, UI tools, or web search.
website.informer.com
Website.informer offers a free aggregated report on any domain, including WHOIS, visitors, IP and DNS details, competitors, and owners. It provides website statistics such as daily visitors, safety status, and global rank, plus competitor and similar-site research. It also offers IP and DNS lookup, WHOIS records, a browser extension for website analysis and security checks, and email-to-domain matching from WHOIS data.
atlaq.com
ATLAQ is an AI domain name generator. Users describe an idea and receive brandable domain names, which are checked live for availability. Names are scored for readability, and the site includes a domain checker.
dnsdumpster.com
A free domain research tool that discovers hosts related to a domain and looks up DNS records. It presents visible hosts from an attacker's perspective for red and blue teams, and is intended for reconnaissance, penetration testing, bug bounties, threat analysis and network OSINT.
github.com
Domain List is a code project with source, releases, documentation, or setup notes.
domaintyper.com
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.
freedns.afraid.org
FreeDNS is a free DNS hosting service that lets users manage their own domain, offering dynamic DNS and static DNS services. Users can also create hosts under other hosted domains with the domain owner's consent. It supports subdomain and domain hosting, backup DNS, reverse IPv6 DNS hosting and URL redirection.
pdimagearchive.org
The Public Domain Image Archive is a browsable and downloadable collection of out-of-copyright works that can be reused freely. It is described as a living database with new images added weekly, browsable by artist, century, style, theme, or tag.
github.com
Public Domain Recipes is a miscellaneous web resource for discovery, directories, archives, web culture, or useful tools.
dnsai.com
DNSai is a collection of DNS and email security tools on one page. It covers DNS record lookups, WHOIS, blacklist checks, SPF, DKIM and DMARC builders and validators, email header analysis and bulk domain scanning. The tools return plain-English AI summaries, and each is available through an API and MCP connectors.
smallseotools.com
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.
bravenet.com
Bravenet is a web services provider offering free web tools, web hosting, domains, email and a site builder called SiteBlocks. Its tools include contact forms, online calendars, counters and site stats, online stores, message forums and guestbooks. Hosting packages include domains, email accounts, databases, SSL certificates and one-click software installs.
digga.dev
digga is a free domain and infrastructure research tool that looks up DNS records, RDAP and WHOIS data, subdomains, IP details and email authentication in one report. It supports many DNS record types and passive subdomain enumeration. The project is open source under AGPL 3.0 with no accounts or paywalls.
lookup.icann.org
The site allows you to look up domain registration information (WHOIS) on the internet
github.com
Kutt is a self-hosted URL shortener with custom domain support. It allows creating and editing links, setting custom URLs, passwords and expiration times, viewing statistics, and managing users. It supports SQLite, Postgres and MySQL databases, OpenID Connect login and a RESTful API.
mxtoolbox.com
Network diagnostic toolbox for DNS, MX, blacklist, SMTP, and domain health checks.
github.com
Open source tool that searches newly registered domain feeds to find typosquatting, IDN homograph, doppelganger and bitsquatting domains impersonating
pastee.dev
Pastee is described as a free, easy to use Pastebin. Its main domain, paste.ee, is currently disabled due to abuse reports, and pastee.dev is the primary domain. The site lists many supported languages for pastes.