www.ruifanedu.com. 30 IN A 104.21.79.175 www.ruifanedu.com. 30 IN A 172.67.146.212 www.ruifanedu.com. 30 IN AAAA 2606:4700:3034::ac43:92d4 www.ruifanedu.com. 30 IN AAAA 2606:4700:3034::6815:4faf