--- service: a.root-servers.net start-period: '2016-10-03T00:00:00Z' end-period: '2016-10-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4914129771 dns-udp-queries-received-ipv6: 439123017 dns-tcp-queries-received-ipv4: 164522501 dns-tcp-queries-received-ipv6: 7215586 dns-udp-responses-sent-ipv4: 4853004625 dns-udp-responses-sent-ipv6: 438919091 dns-tcp-responses-sent-ipv4: 165341707 dns-tcp-responses-sent-ipv6: 7242073