--- service: h.root-servers.net metric: traffic-volume start-period: '2015-10-16T00:00:00Z' end-period: '2015-10-16T23:59:59Z' dns-udp-queries-received-ipv4: 1955544976 dns-udp-queries-received-ipv6: 202216118 dns-tcp-queries-received-ipv4: 262916 dns-tcp-queries-received-ipv6: 336502 dns-udp-responses-sent-ipv4: 1898973180 dns-udp-responses-sent-ipv6: 200916793 dns-tcp-responses-sent-ipv4: 133306 dns-tcp-responses-sent-ipv6: 303347