--- service: a.root-servers.net start-period: '2016-07-24T00:00:00Z' end-period: '2016-07-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3628011291 dns-udp-queries-received-ipv6: 456570437 dns-tcp-queries-received-ipv4: 94676206 dns-tcp-queries-received-ipv6: 8680074 dns-udp-responses-sent-ipv4: 3627479502 dns-udp-responses-sent-ipv6: 455603617 dns-tcp-responses-sent-ipv4: 75747072 dns-tcp-responses-sent-ipv6: 1376885