--- service: j.root-servers.net start-period: '2014-06-28T00:00:00Z' end-period: '2014-06-28T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3729724050 dns-udp-queries-received-ipv6: 179010012 dns-tcp-queries-received-ipv4: 54243692 dns-tcp-queries-received-ipv6: 3307801 dns-udp-responses-sent-ipv4: 3768233783 dns-udp-responses-sent-ipv6: 178537042 dns-tcp-responses-sent-ipv4: 56243801 dns-tcp-responses-sent-ipv6: 2595807