--- service: j.root-servers.net start-period: '2014-04-28T00:00:00Z' end-period: '2014-04-28T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2695367835 dns-udp-queries-received-ipv6: 222851789 dns-tcp-queries-received-ipv4: 23121212 dns-tcp-queries-received-ipv6: 4897145 dns-udp-responses-sent-ipv4: 2686621597 dns-udp-responses-sent-ipv6: 222723390 dns-tcp-responses-sent-ipv4: 24245650 dns-tcp-responses-sent-ipv6: 440