--- service: m.root-servers.net start-period: '2016-10-16T00:00:00Z' end-period: '2016-10-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1247326583 dns-udp-queries-received-ipv6: 211971872 dns-udp-responses-sent-ipv4: 1187558422 dns-udp-responses-sent-ipv6: 211757930 dns-tcp-queries-received-ipv4: 31046492 dns-tcp-queries-received-ipv6: 5222979 dns-tcp-responses-sent-ipv4: 30962644 dns-tcp-responses-sent-ipv6: 5167488