A "nonexistent domain" error on failed e-mail is the modern version of which 1962 Elvis song?

Which word describes a non-Jew, or to Mormons, a non-Mormon? What is a non-rigid airship called? Which U.S. territory uses the postal abbreviation AS? What is a partner who provides business funds but does not take part in management? What was golfer Bobby Jones, who never turned professional? In a blood pressure reading of 120/80, what is the 80 called? What nickname is given to a native of North Carolina? A Northern Ireland peace accord was reached on April 10, 1998, on which holy day, giving it its name?