As of January 1, 2014 the Internet Corporation for Assigned Names and Numbers (ICANN) will mandate that all ICANN accredited registrars begin verifying the Registrant WHOIS contact information for all new domain registrations and Registrant contact modifications.

Why this domain has been suspended
Email address has not been verified.
This is a new domain registration and the Registrant email address has not been verified.

or
The Registrant contact data for this domain was modified but still requires verification.
Specifically the First Name, Last Name and/or email address have been changed and never verified.