--- service: j.root-servers.net start-period: '2015-12-06T00:00:00Z' end-period: '2015-12-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4340231274 dns-udp-queries-received-ipv6: 535216523 dns-tcp-queries-received-ipv4: 106087551 dns-tcp-queries-received-ipv6: 1837743 dns-udp-responses-sent-ipv4: 3994676885 dns-udp-responses-sent-ipv6: 539611683 dns-tcp-responses-sent-ipv4: 97110788 dns-tcp-responses-sent-ipv6: 327019