--- service: j.root-servers.net start-period: '2015-04-14T00:00:00Z' end-period: '2015-04-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3068118132 dns-udp-queries-received-ipv6: 336584379 dns-tcp-queries-received-ipv4: 23144888 dns-tcp-queries-received-ipv6: 5036924 dns-udp-responses-sent-ipv4: 2997731200 dns-udp-responses-sent-ipv6: 336484077 dns-tcp-responses-sent-ipv4: 22720839 dns-tcp-responses-sent-ipv6: 4733328