--- service: d.root-servers.net start-period: '2016-03-29T00:00:00Z' end-period: '2016-03-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4750040401 dns-udp-queries-received-ipv6: 580847702 dns-tcp-queries-received-ipv4: 41499729 dns-tcp-queries-received-ipv6: 594926 dns-udp-responses-sent-ipv4: 4727119144 dns-udp-responses-sent-ipv6: 580560593 dns-tcp-responses-sent-ipv4: 41448892 dns-tcp-responses-sent-ipv6: 594899