--- service: a.root-servers.net start-period: '2016-10-06T00:00:00Z' end-period: '2016-10-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4512734729 dns-udp-queries-received-ipv6: 414762323 dns-tcp-queries-received-ipv4: 158836633 dns-tcp-queries-received-ipv6: 6579945 dns-udp-responses-sent-ipv4: 4480857452 dns-udp-responses-sent-ipv6: 414725558 dns-tcp-responses-sent-ipv4: 159307220 dns-tcp-responses-sent-ipv6: 6644641