--- service: d.root-servers.net start-period: '2016-03-12T00:00:00Z' end-period: '2016-03-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3819942955 dns-udp-queries-received-ipv6: 509697510 dns-tcp-queries-received-ipv4: 26916255 dns-tcp-queries-received-ipv6: 1083048 dns-udp-responses-sent-ipv4: 3802404493 dns-udp-responses-sent-ipv6: 509442047 dns-tcp-responses-sent-ipv4: 26909973 dns-tcp-responses-sent-ipv6: 1083006