--- service: h.root-servers.net metric: traffic-volume start-period: '2016-03-11T00:00:00Z' end-period: '2016-03-11T23:59:59Z' dns-udp-queries-received-ipv4: 2856649133 dns-udp-queries-received-ipv6: 250602458 dns-tcp-queries-received-ipv4: 991427 dns-tcp-queries-received-ipv6: 666819 dns-udp-responses-sent-ipv4: 2767493839 dns-udp-responses-sent-ipv6: 250612684 dns-tcp-responses-sent-ipv4: 620814 dns-tcp-responses-sent-ipv6: 604154