--- service: j.root-servers.net start-period: '2014-06-01T00:00:00Z' end-period: '2014-06-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3846634393 dns-udp-queries-received-ipv6: 252557598 dns-tcp-queries-received-ipv4: 31038701 dns-tcp-queries-received-ipv6: 5454301 dns-udp-responses-sent-ipv4: 3851266931 dns-udp-responses-sent-ipv6: 252363992 dns-tcp-responses-sent-ipv4: 30930008 dns-tcp-responses-sent-ipv6: 2113135