--- service: a.root-servers.net start-period: '2016-09-10T00:00:00Z' end-period: '2016-09-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4235045616 dns-udp-queries-received-ipv6: 451211645 dns-tcp-queries-received-ipv4: 105016858 dns-tcp-queries-received-ipv6: 5430170 dns-udp-responses-sent-ipv4: 4231179520 dns-udp-responses-sent-ipv6: 451149064 dns-tcp-responses-sent-ipv4: 98442266 dns-tcp-responses-sent-ipv6: 4091954