--- service: h.root-servers.net metric: traffic-volume start-period: '2015-11-22T00:00:00Z' end-period: '2015-11-22T23:59:59Z' dns-udp-queries-received-ipv4: 2006153332 dns-udp-queries-received-ipv6: 205200942 dns-tcp-queries-received-ipv4: 390553 dns-tcp-queries-received-ipv6: 304258 dns-udp-responses-sent-ipv4: 1926811567 dns-udp-responses-sent-ipv6: 204907531 dns-tcp-responses-sent-ipv4: 228548 dns-tcp-responses-sent-ipv6: 268760