954-320-4679 belongs to a scam organization who is involved in various scams. Their famous is to contact admins of a website and pretend they did not pay for this domain name, asking for money,along with various threats.
Report those to police. Google this number. Lots of rip off reports and other sites. They own a bunch of websites such as https://dnrco.net
http://dnsrco.com
login-secure-paypal.eu
http://boomerdomain.org
http://www.domainhostingseo.com
As many scammers, these also seem to be from India,with fake addresses in USA. Avoid, Report and ignore. Do not communicate in any way
Canada