--- service: a.root-servers.net start-period: '2014-06-03T00:00:00Z' end-period: '2014-06-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1823652262 dns-udp-queries-received-ipv6: 113581603 dns-tcp-queries-received-ipv4: 9210985 dns-tcp-queries-received-ipv6: 1255236 dns-udp-responses-sent-ipv4: 1823425391 dns-udp-responses-sent-ipv6: 113577636 dns-tcp-responses-sent-ipv4: 9267634 dns-tcp-responses-sent-ipv6: 235558