Using the function WHOIS allows you to determine the current registrar of a domain. There are a number of free web tools that will search WHOIS.

For more information about WHOIS, please see https://en.wikipedia.org/wiki/WHOIS.

EXAMPLE: Using the link https://www.networksolutions.com/whois, you can determine the following information about domains:

Domain Name:

Registry Domain ID:
Registrar WHOIS Server:
Registrar URL:
Updated Date:
Creation Date:

Registrar
Reseller:
Domain Status:
Registry Registrant ID:
Registrant Name:
Registrant Organization:
Registrant Street:
Registrant City:
Registrant State/Province:
Registrant Postal Code:
Registrant Country:
Registrant Phone:
Registrant Phone Ext:
Registrant Fax:
Registrant Fax Ext:
Registrant Email:
Registry Admin ID:
Admin Name:
Admin Organization:
Admin Street:
Admin City:
Admin State/Province:
Admin Postal Code:
Admin Country:
Admin Phone:

Admin Phone Ext:
Admin Fax:
Admin Fax Ext:
Admin Email:
Registry Tech ID:
Tech Name:
Tech Organization:
Tech Street:
Tech City:
Tech State/Province:
Tech Postal Code:
Tech Country:
Tech Phone:
Tech Phone Ext:
Tech Fax:
Tech Fax Ext:
Tech Email:
Name Server: