--- service: j.root-servers.net start-period: '2016-05-29T00:00:00Z' end-period: '2016-05-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6181896219 dns-udp-queries-received-ipv6: 644471596 dns-tcp-queries-received-ipv4: 168612175 dns-tcp-queries-received-ipv6: 3039762 dns-udp-responses-sent-ipv4: 5966481121 dns-udp-responses-sent-ipv6: 643720215 dns-tcp-responses-sent-ipv4: 138963595 dns-tcp-responses-sent-ipv6: 582410