When you register a domain name, information about the registrant, administrative contact, technical contact, and billing contact is required. This topic describes the required information for domain name registration.

Registrant information and description

A registrant is the owner of a domain name. You need to enter the authentic and complete registrant information.

Registrant information Description
Domain Name The domain name.
Name Server The Domain Name System (DNS) server that provides resolution services. When you register a domain name with Alibaba Cloud, we recommend that you use the default DNS server.
Registrant ID The ID of the registrant.
Registrant Name The name of the registrant. Ensure that the name is correct and authentic.
Registrant Organization The organization to which the registrant belongs.
Registrant Address The contact address of the registrant.
Registrant City The city where the registrant resides.
Registrant Province/State The province or state where the registrant resides.
Registrant Postal Code The zip code of the city where the registrant resides.
Registrant Country Code The code of the country or region to which the registrant belongs.
Registrant Phone Number The phone number of the registrant. Ensure that the phone number is correct and authentic.
Registrant Fax The fax number of the registrant.
Registrant Email The email address of the registrant. Ensure that the email address is correct and authentic.

Administrative contact information and description

An administrative contact is typically a customer service personnel assigned by their company for domain name management. The administrative contact can modify most information about a domain name, including the address, email address, phone number, and fax number of the registrant, administrative contact information, technical contact information, billing contact information, and DNS servers.

Administrative contact information Description
Administrative ID The ID of the administrative contact.
Administrative Name The name of the administrative contact.
Administrative Organization The organization to which the administrative contact belongs.
Administrative Address The address of the administrative contact.
Administrative City The city where the administrative contact resides.
Administrative Province/State The province or state where the administrative contact resides.
Administrative Postal Code The zip code of the city where the administrative contact resides.
Administrative Country Code The code of the country or region to which the administrative contact belongs.
Administrative Phone Number The phone number of the administrative contact.
Administrative Fax The fax number of the administrative contact.
Administrative Email The email address of the administrative contact.

Technical contact information and description

Permissions of technical contacts are similar to those of administrative contacts. Technical contacts are typically assigned by Internet Service Providers (ISPs).

Technical contact information Description
Technical ID The ID of the technical contact.
Technical Name The name of the technical contact.
Technical Organization The organization to which the technical contact belongs.
Technical Address The address of the technical contact.
Technical City The city where the technical contact resides.
Technical Province/State The province or state where the technical contact resides.
Technical Postal Code The zip code of the city where the technical contact resides.
Technical Country Code The code of the country or region to which the technical contact belongs.
Technical Phone Number The phone number of the technical contact.
Technical Fax The fax number of the technical contact.
Technical Email The email address of the technical contact.

Billing contact information and description

A billing contact pays for domain names.

Billing contact information Description
Billing ID The ID of the billing contact.
Billing Name The name of the billing contact.
Billing Organization The organization to which the billing contact belongs.
Billing Address The address of the billing contact.
Billing City The city where the billing contact resides.
Billing Province/State The province or state where the billing contact resides.
Billing Postal Code The zip code of the city where the billing contact resides.
Billing Country Code The code of the country or region to which the billing contact belongs.

DNS servers

DNS servers provide domain name resolution services. Typically, at least two servers are required to ensure the continuity of Domain Name Service. DNS servers must be authentic and valid servers connected to the Internet. These servers provide DNS resolution services for registered domain names, for example, mail exchanger records (MX records) of each domain name and IP addresses of each server.