--- service: h.root-servers.net metric: traffic-volume start-period: '2015-11-27T00:00:00Z' end-period: '2015-11-27T23:59:59Z' dns-udp-queries-received-ipv4: 2138803926 dns-udp-queries-received-ipv6: 215374887 dns-tcp-queries-received-ipv4: 444108 dns-tcp-queries-received-ipv6: 357274 dns-udp-responses-sent-ipv4: 2041638567 dns-udp-responses-sent-ipv6: 215092985 dns-tcp-responses-sent-ipv4: 234657 dns-tcp-responses-sent-ipv6: 319865