--- service: a.root-servers.net start-period: '2016-10-10T00:00:00Z' end-period: '2016-10-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4128122189 dns-udp-queries-received-ipv6: 367148021 dns-tcp-queries-received-ipv4: 134010614 dns-tcp-queries-received-ipv6: 5969255 dns-udp-responses-sent-ipv4: 4107224367 dns-udp-responses-sent-ipv6: 365869040 dns-tcp-responses-sent-ipv4: 134253601 dns-tcp-responses-sent-ipv6: 5902076