--- service: i.root-servers.net start-period: '2016-03-30T00:00:00Z' end-period: '2016-03-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5286295642 dns-udp-queries-received-ipv6: 439116940 dns-tcp-queries-received-ipv4: 23877151 dns-tcp-queries-received-ipv6: 896891 dns-udp-responses-sent-ipv4: 5188108663 dns-udp-responses-sent-ipv6: 440814251 dns-tcp-responses-sent-ipv4: 23000254 dns-tcp-responses-sent-ipv6: 904731