--- service: j.root-servers.net start-period: '2016-09-11T00:00:00Z' end-period: '2016-09-11T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6280637244 dns-udp-queries-received-ipv6: 724894512 dns-tcp-queries-received-ipv4: 199077076 dns-tcp-queries-received-ipv6: 5208698 dns-udp-responses-sent-ipv4: 6100453300 dns-udp-responses-sent-ipv6: 726514162 dns-tcp-responses-sent-ipv4: 160428775 dns-tcp-responses-sent-ipv6: 3375270