--- service: j.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: 5995575348 dns-udp-queries-received-ipv6: 794920995 dns-tcp-queries-received-ipv4: 178837575 dns-tcp-queries-received-ipv6: 2992985 dns-udp-responses-sent-ipv4: 5727624607 dns-udp-responses-sent-ipv6: 797423957 dns-tcp-responses-sent-ipv4: 160049616 dns-tcp-responses-sent-ipv6: 309472