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Reverse Whois Report Support Q&A
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April 21st, 2011 by 
Tim Perez
We are often asked why a known domain name was not returned in a Reverse WHOIS report. The answer: all WHOIS record formats vary according to the registry or registrar.
One of the easiest things to do first, if you know a domain name for a target registrant, is to look the domain name up with our WHOIS service.
The detailed WHOIS records we provide will show how the registrant’s name is presented as well as the email he or she currently uses. This should allow a user to know specifically what email address is associated to that registrant as well as how his or her name is listed. This is important to note because the name will either be presented as ‘John Doe’ or ‘Doe, John’. This can make a significant difference.
A helpful shortcut we provide on the DomainTools WHOIS record tab is the Domain Profile as show below. We provide direct links to the Reverse WHOIS for the registrant listed in the record as well as an additional link for the specific email addresses.
Both options will deliver a robust list of domains based on that specific information. However, it may be best to actually add and remove your search terms directly from the Reverse WHOIS interface to see what options work best for you. You will be provided the number of domains we find in our database matching your criteria. Users will note changes to the list by adding and removing terms.
A similar question users have for Reverse WHOIS reports relate to country code TLDs. Users often ask why certain ccTLDs were included and others were not.
Our reports are fairly accurate for gTLDs including ‘.com’, ‘.org’, ‘.net’, ‘.us’, ‘.info’ and ‘.biz’.
The ccTLDs are a bit trickier. Many governing authorities have different policies for their WHOIS service. Some only provide a basic availability check or limited contact information. We are only able to obtain WHOIS data that is made public. We may not be aware of many domains in ccTLDs unless we’ve discovered them before.
One of the best ways to confirm if we have historical records for ccTLDs is to look it up via our WHOIS site and check the details in the Domain Profile. If there are records and matching registrant data, it’s likely you can find the domain in a WHOIS report list.
If you are unsure about the best way to begin your search or would like assistance please contact our Member Services team at memberservices@domaintools.com.
Posted in Domain Tools Updates, Whois |
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