--- service: h.root-servers.net metric: traffic-volume start-period: '2016-05-01T00:00:00Z' end-period: '2016-05-01T23:59:59Z' dns-udp-queries-received-ipv4: 2657363864 dns-udp-queries-received-ipv6: 294893697 dns-tcp-queries-received-ipv4: 634746 dns-tcp-queries-received-ipv6: 554367 dns-udp-responses-sent-ipv4: 2574236863 dns-udp-responses-sent-ipv6: 294740558 dns-tcp-responses-sent-ipv4: 364691 dns-tcp-responses-sent-ipv6: 499950