--- service: j.root-servers.net start-period: '2017-01-26T00:00:00Z' end-period: '2017-01-26T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6386402508 dns-udp-queries-received-ipv6: 636869052 dns-tcp-queries-received-ipv4: 172155139 dns-tcp-queries-received-ipv6: 12538201 dns-udp-responses-sent-ipv4: 6275246611 dns-udp-responses-sent-ipv6: 640579993 dns-tcp-responses-sent-ipv4: 158502475 dns-tcp-responses-sent-ipv6: 12655577