--- service: h.root-servers.net metric: traffic-volume start-period: '2015-10-11T00:00:00Z' end-period: '2015-10-11T23:59:59Z' dns-udp-queries-received-ipv4: 1771219897 dns-udp-queries-received-ipv6: 178220770 dns-tcp-queries-received-ipv4: 179438 dns-tcp-queries-received-ipv6: 290286 dns-udp-responses-sent-ipv4: 1647076464 dns-udp-responses-sent-ipv6: 178047805 dns-tcp-responses-sent-ipv4: 67244 dns-tcp-responses-sent-ipv6: 261522