As part of domain registration process for Generic Domains ( such as .com .net . org .ect) which are manage by ICANN, they need to verfiy your email address within 15 days of the domain registration. When you register the domain, you will get an email from us asking to verify your email address with verification link.
You only have to do this one time.
Please refer following link for more details.
https://support.lankahost.net/Knowledgebase/Article/View/37/13/verification-of-domain-registrant-email
