--- service: i.root-servers.net start-period: '2016-03-10T00:00:00Z' end-period: '2016-03-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5325242135 dns-udp-queries-received-ipv6: 438170293 dns-tcp-queries-received-ipv4: 26714240 dns-tcp-queries-received-ipv6: 1244106 dns-udp-responses-sent-ipv4: 5240669193 dns-udp-responses-sent-ipv6: 442573971 dns-tcp-responses-sent-ipv4: 26483075 dns-tcp-responses-sent-ipv6: 1246751