--- service: j.root-servers.net start-period: '2017-01-03T00:00:00Z' end-period: '2017-01-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6330970140 dns-udp-queries-received-ipv6: 576304249 dns-tcp-queries-received-ipv4: 203440337 dns-tcp-queries-received-ipv6: 12543799 dns-udp-responses-sent-ipv4: 6215106930 dns-udp-responses-sent-ipv6: 580354151 dns-tcp-responses-sent-ipv4: 182305713 dns-tcp-responses-sent-ipv6: 12671793