--- service: d.root-servers.net start-period: '2015-10-22T00:00:00Z' end-period: '2015-10-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3895667952 dns-udp-queries-received-ipv6: 444949770 dns-tcp-queries-received-ipv4: 16537815 dns-tcp-queries-received-ipv6: 518094 dns-udp-responses-sent-ipv4: 3881302105 dns-udp-responses-sent-ipv6: 444518725 dns-tcp-responses-sent-ipv4: 16507122 dns-tcp-responses-sent-ipv6: 517853