--- service: h.root-servers.net metric: traffic-volume start-period: '2016-02-09T00:00:00Z' end-period: '2016-02-09T23:59:59Z' dns-udp-queries-received-ipv4: 2947834917 dns-udp-queries-received-ipv6: 252570386 dns-tcp-queries-received-ipv4: 727890 dns-tcp-queries-received-ipv6: 388159 dns-udp-responses-sent-ipv4: 2777690778 dns-udp-responses-sent-ipv6: 252397723 dns-tcp-responses-sent-ipv4: 289917 dns-tcp-responses-sent-ipv6: 343527