Calls and hangs up

Caller ID said DF King.  Did not answer.  Left no message.  Will block.

http://main.dfking.com This is a company which handles proxies and provides other services to corporations. Most likely you are receiving calls because you threw a proxy notice in the recycle bin, as most people who don't have the time or inclination to sort out the gobbledy-gook,

DF King calling.   like the other guy that said "only rang once"