--- service: j.root-servers.net start-period: '2014-06-02T00:00:00Z' end-period: '2014-06-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4181934640 dns-udp-queries-received-ipv6: 266535541 dns-tcp-queries-received-ipv4: 30598493 dns-tcp-queries-received-ipv6: 5502539 dns-udp-responses-sent-ipv4: 4219856457 dns-udp-responses-sent-ipv6: 266288262 dns-tcp-responses-sent-ipv4: 30380612 dns-tcp-responses-sent-ipv6: 2258469