--- service: h.root-servers.net metric: traffic-volume start-period: '2015-07-03T00:00:00Z' end-period: '2015-07-03T23:59:59Z' dns-udp-queries-received-ipv4: 748659433 dns-udp-queries-received-ipv6: 72225630 dns-tcp-queries-received-ipv4: 153586 dns-tcp-queries-received-ipv6: 41125 dns-udp-responses-sent-ipv4: 702863815 dns-udp-responses-sent-ipv6: 67188501 dns-tcp-responses-sent-ipv4: 70451 dns-tcp-responses-sent-ipv6: 27273