--- service: a.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: 1719992865 dns-udp-queries-received-ipv6: 111374477 dns-tcp-queries-received-ipv4: 11256983 dns-tcp-queries-received-ipv6: 1250349 dns-udp-responses-sent-ipv4: 1719748679 dns-udp-responses-sent-ipv6: 111322173 dns-tcp-responses-sent-ipv4: 11325107 dns-tcp-responses-sent-ipv6: 105689