--- service: h.root-servers.net metric: traffic-volume start-period: '2016-01-03T00:00:00Z' end-period: '2016-01-03T23:59:59Z' dns-udp-queries-received-ipv4: 2490376512 dns-udp-queries-received-ipv6: 237014702 dns-tcp-queries-received-ipv4: 443871 dns-tcp-queries-received-ipv6: 336450 dns-udp-responses-sent-ipv4: 2391795715 dns-udp-responses-sent-ipv6: 236642755 dns-tcp-responses-sent-ipv4: 294004 dns-tcp-responses-sent-ipv6: 303731