--- service: h.root-servers.net metric: traffic-volume start-period: '2015-05-05T00:00:00Z' end-period: '2015-05-05T23:59:59Z' dns-udp-queries-received-ipv4: 823151633 dns-udp-queries-received-ipv6: 73733286 dns-tcp-queries-received-ipv4: 133793 dns-tcp-queries-received-ipv6: 45636 dns-udp-responses-sent-ipv4: 782966407 dns-udp-responses-sent-ipv6: 67534319 dns-tcp-responses-sent-ipv4: 42779 dns-tcp-responses-sent-ipv6: 30322