--- service: h.root-servers.net metric: traffic-volume start-period: '2016-06-04T00:00:00Z' end-period: '2016-06-04T23:59:59Z' dns-udp-queries-received-ipv4: 3375863456 dns-udp-queries-received-ipv6: 303836674 dns-tcp-queries-received-ipv4: 458231 dns-tcp-queries-received-ipv6: 467581 dns-udp-responses-sent-ipv4: 3312195170 dns-udp-responses-sent-ipv6: 303812566 dns-tcp-responses-sent-ipv4: 82926 dns-tcp-responses-sent-ipv6: 440885