--- service: h.root-servers.net metric: traffic-volume start-period: '2016-03-17T00:00:00Z' end-period: '2016-03-17T23:59:59Z' dns-udp-queries-received-ipv4: 2825546047 dns-udp-queries-received-ipv6: 263099276 dns-tcp-queries-received-ipv4: 1006841 dns-tcp-queries-received-ipv6: 567356 dns-udp-responses-sent-ipv4: 2753288445 dns-udp-responses-sent-ipv6: 263249617 dns-tcp-responses-sent-ipv4: 631746 dns-tcp-responses-sent-ipv6: 493015