--- service: j.root-servers.net start-period: '2015-03-07T00:00:00Z' end-period: '2015-03-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3124774897 dns-udp-queries-received-ipv6: 312790484 dns-tcp-queries-received-ipv4: 28782977 dns-tcp-queries-received-ipv6: 4790690 dns-udp-responses-sent-ipv4: 3125343050 dns-udp-responses-sent-ipv6: 312737565 dns-tcp-responses-sent-ipv4: 28469603 dns-tcp-responses-sent-ipv6: 3994760