Please double check that the address is correct. You're opening a new web page going to host [HOST] that is not part of AT&T Cybersecurity. 1xBet. 1xBet is an online sportsbook also offering baccarat, betting exchange, blackjack, esports, fantasy sports, forex, live dealer games, live/in-. Please double check that the address is correct. You're opening a new web page going to host [HOST] that is not part of AT&T Cybersecurity. . 1xBet. 1xBet is an online sportsbook also offering baccarat, betting exchange, blackjack, esports, fantasy sports, forex, live dealer games, live/in-.