--- service: j.root-servers.net start-period: '2015-12-02T00:00:00Z' end-period: '2015-12-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4255562416 dns-udp-queries-received-ipv6: 584559074 dns-tcp-queries-received-ipv4: 102132850 dns-tcp-queries-received-ipv6: 2114919 dns-udp-responses-sent-ipv4: 4062344720 dns-udp-responses-sent-ipv6: 590058539 dns-tcp-responses-sent-ipv4: 89032833 dns-tcp-responses-sent-ipv6: 316504