--- service: j.root-servers.net start-period: '2016-05-20T00:00:00Z' end-period: '2016-05-20T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7547098590 dns-udp-queries-received-ipv6: 732232539 dns-tcp-queries-received-ipv4: 244666999 dns-tcp-queries-received-ipv6: 3512666 dns-udp-responses-sent-ipv4: 7282888892 dns-udp-responses-sent-ipv6: 730773684 dns-tcp-responses-sent-ipv4: 186789995 dns-tcp-responses-sent-ipv6: 616072