--- service: d.root-servers.net start-period: '2016-05-06T00:00:00Z' end-period: '2016-05-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4390580360 dns-udp-queries-received-ipv6: 641006525 dns-tcp-queries-received-ipv4: 35682266 dns-tcp-queries-received-ipv6: 584287 dns-udp-responses-sent-ipv4: 4372893384 dns-udp-responses-sent-ipv6: 640774134 dns-tcp-responses-sent-ipv4: 35571439 dns-tcp-responses-sent-ipv6: 584084