--- service: h.root-servers.net metric: traffic-volume start-period: '2015-04-10T00:00:00Z' end-period: '2015-04-10T23:59:59Z' dns-udp-queries-received-ipv4: 801583424 dns-udp-queries-received-ipv6: 70737972 dns-tcp-queries-received-ipv4: 227034 dns-tcp-queries-received-ipv6: 48998 dns-udp-responses-sent-ipv4: 761611510 dns-udp-responses-sent-ipv6: 65897712 dns-tcp-responses-sent-ipv4: 70701 dns-tcp-responses-sent-ipv6: 34803