--- service: j.root-servers.net start-period: '2016-03-22T00:00:00Z' end-period: '2016-03-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6295594719 dns-udp-queries-received-ipv6: 709347207 dns-tcp-queries-received-ipv4: 179958388 dns-tcp-queries-received-ipv6: 4542993 dns-udp-responses-sent-ipv4: 5982644359 dns-udp-responses-sent-ipv6: 761017289 dns-tcp-responses-sent-ipv4: 159263220 dns-tcp-responses-sent-ipv6: 309194