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WHOIS Data Elements

Understand the critical data elements required for WHOIS records management. Learn about registrant, admin, tech contact details, data access technologies, and potential problems.

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WHOIS Data Elements

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  1. WHOIS Data Elements Bruce Tonkin Chief Technology Officer Melbourne IT

  2. Data Collected • Registered Name Holder (Registrant) • The legal holder of the domain name • Should be corporate entity or individual • Administration Contact • Technical Contact • Billing Contact (optional) • Payment details (credit card etc) • Domain name details (name, nameservers)

  3. Registrant data • Name • Organisation (optional) • Full postal address (for land mail) • Phone (optional) • Fax (optional) • Email (optional) • Authentication data (optional) • E.g password, auth-info

  4. Admin and Tech contacts • Name (e.g John Smith) • Organisation (optional) • Full postal address (for land mail) • Phone • Fax (if available) • Email • Authentication data (optional) • E.g password, auth-info

  5. Billing Contact (optional) • As for admin and tech (all elements optional) • Payment information (e.g credit card)

  6. Issues • No clear purposes defined for registrant, admin, and tech contacts • Often default to be the same person • Registrars and registrants handle them in different ways • Often confusion between individual registering the name, and the legal holder of the name (could be the employer of the individual)

  7. Data access technologies • WHOIS protocol (port-43 WHOIS) • Send some ASCII text and get some ASCII text back • Usually used to provide exact match lookup • Interactive Web page • Wide range of implements by registries and registrars • Usually only exact match lookup • File Transfer • For bulk access • subject to a user entering into a legal agreement (bulk access agreement)

  8. Data Displayed • Domain details (name, nameservers) • Creation date and time • Expiry date and time • Status (optional) • Registrar (optional) • Last update date and time (optional) • Last transfer date and time (optional)

  9. Data displayed • Registrant data • name and address • Admin and tech • (name, address, phone, fax, email)

  10. Problems • Port-43 WHOIS and interactive WHOIS used anonymously for data mining to collect large quantities of contact information • Non-standard approaches used by registrars to limit this • Registrants not clear on purpose for data collected and how data users are given access to this data • Concerns about accuracy and privacy of data • Authorisation problems (who has authority to change domain name record, and who is responsible for the use of the name)

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