--- service: j.root-servers.net start-period: '2015-10-12T00:00:00Z' end-period: '2015-10-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3947016834 dns-udp-queries-received-ipv6: 195695858 dns-tcp-queries-received-ipv4: 63078344 dns-tcp-queries-received-ipv6: 10631093 dns-udp-responses-sent-ipv4: 3866995096 dns-udp-responses-sent-ipv6: 188754875 dns-tcp-responses-sent-ipv4: 60923196 dns-tcp-responses-sent-ipv6: 10392610