--- service: h.root-servers.net metric: traffic-volume start-period: '2015-04-06T00:00:00Z' end-period: '2015-04-06T23:59:59Z' dns-udp-queries-received-ipv4: 762709932 dns-udp-queries-received-ipv6: 69032134 dns-tcp-queries-received-ipv4: 266707 dns-tcp-queries-received-ipv6: 53621 dns-udp-responses-sent-ipv4: 724753045 dns-udp-responses-sent-ipv6: 65035049 dns-tcp-responses-sent-ipv4: 77957 dns-tcp-responses-sent-ipv6: 39238