DomainTools Whois Lookup
DomainTools Whois provides detailed domain name registration information, and can be used to investigate details about domains or IP addresses.
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DomainTools Whois provides detailed domain name registration information, and can be used to investigate details about domains or IP addresses.
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DomainTools Whois allows you to gather information about a domain name including domain name registration information, including the registrant's contact details, registration dates. These details can help to identify ownership and administrative details of a domain.
The data fields returned in the primary Whois entry can be used to pivot to additional data points during an investigation. For example, you can see the number of other domains associated with the registrant, the number of other domains hosted on the same IP address, and the number of historical Whois records in the DomainTools database.
The main Whois page includes a mix of free and paid tools that are offered by DomainsTools. You can use these by hovering over the small arrows next to some of the entries (e.g. Name Servers, IP Address etc.), or from the Tools section on the right side of the page.
Of these, the following can be used without a DomainsTools license:
Reverse NS: see what other domains are served by the selected name server. This can help you understand which websites are managed by the same hosting provider or server.
A name server is a computer that translates domain names (such as www.google.com) into IP addresses (like 8.8.8.8), enabling computers to find and connect with each other on the internet.
Reverse IP Address Lookup: find all the domain names associated with a specific IP address.
Current screenshot preview: see the most recent screenshot of the content hosted on the website (if available)
Available TLDs: see an overview of other domains with the same website name but different top level domains (TLDs) such as ".net", ".org" or ".info". This can be used to discover other domains associated with the website, which may be used to host discover or outdated content.
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Certain pivots and additional tools (e.g. hosting history, network tools) require a paid subscription to DomainTools.
As part of domain privacy measures, most domain registrars offer Whois privacy services that anonymize the registrant details. As a result, you may not be able to find the real name of the individual who owns a domain or other details associated with them. Instead, you will see a "Registration Private" designation where the individual's name would be, and generic email and physical addresses associated with the domain registrar. For example, Bellingcat.com's Whois record contains such privacy measures:
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User guides by DomainsTools can be found and .
API documentation can be found .
is a provider of Whois and other DNS profile data for threat intelligence enrichment.
