--- service: h.root-servers.net metric: traffic-volume start-period: '2016-01-17T00:00:00Z' end-period: '2016-01-17T23:59:59Z' dns-udp-queries-received-ipv4: 2536307839 dns-udp-queries-received-ipv6: 247025186 dns-tcp-queries-received-ipv4: 337380 dns-tcp-queries-received-ipv6: 341554 dns-udp-responses-sent-ipv4: 2456453993 dns-udp-responses-sent-ipv6: 246742080 dns-tcp-responses-sent-ipv4: 237743 dns-tcp-responses-sent-ipv6: 310486