--- service: j.root-servers.net start-period: '2016-12-17T00:00:00Z' end-period: '2016-12-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6042202724 dns-udp-queries-received-ipv6: 632493806 dns-tcp-queries-received-ipv4: 198573355 dns-tcp-queries-received-ipv6: 11200557 dns-udp-responses-sent-ipv4: 5934513802 dns-udp-responses-sent-ipv6: 636855655 dns-tcp-responses-sent-ipv4: 177132215 dns-tcp-responses-sent-ipv6: 11228566