--- service: j.root-servers.net start-period: '2015-07-22T00:00:00Z' end-period: '2015-07-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3429532896 dns-udp-queries-received-ipv6: 300135595 dns-tcp-queries-received-ipv4: 36542561 dns-tcp-queries-received-ipv6: 24527511 dns-udp-responses-sent-ipv4: 3159811433 dns-udp-responses-sent-ipv6: 299976551 dns-tcp-responses-sent-ipv4: 35798416 dns-tcp-responses-sent-ipv6: 22843722