--- service: j.root-servers.net start-period: '2016-05-28T00:00:00Z' end-period: '2016-05-28T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4204532659 dns-udp-queries-received-ipv6: 437408296 dns-tcp-queries-received-ipv4: 125657929 dns-tcp-queries-received-ipv6: 2001930 dns-udp-responses-sent-ipv4: 4069564157 dns-udp-responses-sent-ipv6: 437443212 dns-tcp-responses-sent-ipv4: 105716188 dns-tcp-responses-sent-ipv6: 414908