--- service: h.root-servers.net metric: traffic-volume start-period: '2015-08-13T00:00:00Z' end-period: '2015-08-13T23:59:59Z' dns-udp-queries-received-ipv4: 2334861189 dns-udp-queries-received-ipv6: 176283368 dns-tcp-queries-received-ipv4: 260778 dns-tcp-queries-received-ipv6: 218112 dns-udp-responses-sent-ipv4: 1995132131 dns-udp-responses-sent-ipv6: 176035882 dns-tcp-responses-sent-ipv4: 96589 dns-tcp-responses-sent-ipv6: 192513