--- service: h.root-servers.net metric: traffic-volume start-period: '2015-06-03T00:00:00Z' end-period: '2015-06-03T23:59:59Z' dns-udp-queries-received-ipv4: 815729589 dns-udp-queries-received-ipv6: 75429255 dns-tcp-queries-received-ipv4: 116145 dns-tcp-queries-received-ipv6: 41440 dns-udp-responses-sent-ipv4: 756983740 dns-udp-responses-sent-ipv6: 68908540 dns-tcp-responses-sent-ipv4: 38139 dns-tcp-responses-sent-ipv6: 27636