Warrant for my arrest

I got a email saying there's a warrant for my address,so I call number and some foreign speaking man said I owe cash net.com,whom I hav never heard and he keep asking me if have a attorney and the sheriff will call me back in 30 minutes,like really, so I look on my county clerks of court and there's no warrant for my arrest,this is very sad to send email to innocent victims,SO TO (ALL) BEWARE OF THIS NUMBER (717)458-7508