The alphacard.me is registered under namecheap.com, which you can see from the WHOIS info here: https://whois.domaintools.com/alphacard.me

There are instructions on namecheap's website about how to report any illegal activity: https://www.namecheap.com/support/knowledgebase/article.aspx/9196/5/how-and-where-can-i-file-abuse-complaints

You can also report deceptive sites to Google by filling in this form: https://safebrowsing.google.com/safebrowsing/report_phish/