--- service: j.root-servers.net start-period: '2014-05-16T00:00:00Z' end-period: '2014-05-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3147138422 dns-udp-queries-received-ipv6: 246651107 dns-tcp-queries-received-ipv4: 24757007 dns-tcp-queries-received-ipv6: 3304262 dns-udp-responses-sent-ipv4: 3134926675 dns-udp-responses-sent-ipv6: 246475007 dns-tcp-responses-sent-ipv4: 23754693 dns-tcp-responses-sent-ipv6: 229