--- service: j.root-servers.net start-period: '2014-06-04T00:00:00Z' end-period: '2014-06-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4254029216 dns-udp-queries-received-ipv6: 277475497 dns-tcp-queries-received-ipv4: 31303019 dns-tcp-queries-received-ipv6: 5826140 dns-udp-responses-sent-ipv4: 4266228039 dns-udp-responses-sent-ipv6: 277357298 dns-tcp-responses-sent-ipv4: 31641880 dns-tcp-responses-sent-ipv6: 2925598