--- service: j.root-servers.net start-period: '2015-11-30T00:00:00Z' end-period: '2015-11-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 22378364657 dns-udp-queries-received-ipv6: 594796666 dns-tcp-queries-received-ipv4: 97556984 dns-tcp-queries-received-ipv6: 3238889 dns-udp-responses-sent-ipv4: 14419644711 dns-udp-responses-sent-ipv6: 600352021 dns-tcp-responses-sent-ipv4: 90204055 dns-tcp-responses-sent-ipv6: 317773