--- service: j.root-servers.net start-period: '2015-08-11T00:00:00Z' end-period: '2015-08-11T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4871909840 dns-udp-queries-received-ipv6: 334784493 dns-tcp-queries-received-ipv4: 61812203 dns-tcp-queries-received-ipv6: 20554212 dns-udp-responses-sent-ipv4: 3766899345 dns-udp-responses-sent-ipv6: 336038462 dns-tcp-responses-sent-ipv4: 61271043 dns-tcp-responses-sent-ipv6: 18848918