--- service: a.root-servers.net start-period: '2016-09-06T00:00:00Z' end-period: '2016-09-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5049891068 dns-udp-queries-received-ipv6: 492716216 dns-tcp-queries-received-ipv4: 120777282 dns-tcp-queries-received-ipv6: 6339740 dns-udp-responses-sent-ipv4: 5042806404 dns-udp-responses-sent-ipv6: 492629341 dns-tcp-responses-sent-ipv4: 120886396 dns-tcp-responses-sent-ipv6: 4439514