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  • Check Domain Names

    Check Domain Names

    This page was updated with several links from a NICAR 22 conference presentation by Prianjana Bengani (@acookiecrumbles) and Jon Keegan (@jonkeegan).

    Who Is Behind This Website?
    An excellent set of tips and tools to track the source of a website.

    Just enter a Twitter ID to run a simple analysis. Analyze friends, tweet trends, follows and followers.
    Check backlinks to a website. Who is linking to it?
    Check photos for deepfakes.

    Twitter ID and username converter. Trace who is behind an account.

    Gives you the infrastructure of the site, including IP addresses, analytics codes, tech stack, etc. Has a free model.

    A “threat intelligence” tool that allows you to get reverse IP, reverse analytics.
    A free tool that lets you see historical WHOIS registrations.

    Offers a range of tools, including reverse analytics and reverse DNS lookups as well as WHOIS data. Has a free model and paid one.

    The Markup’s real-time website privacy inspector.
    Website owner details. Retrieve names, ABNs, emails.

    YouTube Metadata
    Grabs singular details about a video and its uploader, playlist and creator/channel. Submit a link to a video, playlist or channel. Has reverse image/video search built-in.
    Free Chrome extension that alerts you when a web page changes.
    Monitor website pages for text and graphic changes. Email alerts when a page changes.

    Search and flexible search for passive dns lookups inlucind IP domain mapping.
    A free service to scan and analyse websites. When a URL is submitted to, an automated process will browse to the URL like a regular user and record the activity that this page navigation creates. This includes the domains and IPs contacted, the resources (JavaScript, CSS, etc) requested from those domains, as well as additional information about the page itself.

    Have I Been Pwned?
    Check to see if an email address from the site shows up in a data breach.

    Cyber threat intelligence and threat investigation platform.

    GIJN: Tips for Using the Internet Archive’s Wayback Machine in Your Next Investigation

    WhoIs Lookup

    WHOIS History Search
    With much of the WHOIS database now redacted, use this archive of WHOIS sites and pages dating back 10 years.

    Domain Name Search

    ICANN Lookup
    Domain registration data lookup.
    Check domain names.
    Register domains and store files.

    Mine deep connections between domain names and their owners.

    Smashing Magazine: Eight Tools for Finding and Registering Domain Names


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