--- service: j.root-servers.net start-period: '2015-12-01T00:00:00Z' end-period: '2015-12-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 12346518604 dns-udp-queries-received-ipv6: 576873501 dns-tcp-queries-received-ipv4: 110911317 dns-tcp-queries-received-ipv6: 2813466 dns-udp-responses-sent-ipv4: 9059920884 dns-udp-responses-sent-ipv6: 582537537 dns-tcp-responses-sent-ipv4: 100814314 dns-tcp-responses-sent-ipv6: 308368