--- service: j.root-servers.net start-period: '2014-07-25T00:00:00Z' end-period: '2014-07-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3723778526 dns-udp-queries-received-ipv6: 283965407 dns-tcp-queries-received-ipv4: 37001159 dns-tcp-queries-received-ipv6: 5927391 dns-udp-responses-sent-ipv4: 3724744433 dns-udp-responses-sent-ipv6: 283293589 dns-tcp-responses-sent-ipv4: 37803336 dns-tcp-responses-sent-ipv6: 2860426