--- service: j.root-servers.net start-period: '2015-01-05T00:00:00Z' end-period: '2015-01-05T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3483719514 dns-udp-queries-received-ipv6: 243281531 dns-tcp-queries-received-ipv4: 28885649 dns-tcp-queries-received-ipv6: 5480692 dns-udp-responses-sent-ipv4: 3494544495 dns-udp-responses-sent-ipv6: 243227612 dns-tcp-responses-sent-ipv4: 29105113 dns-tcp-responses-sent-ipv6: 4707535