--- service: a.root-servers.net start-period: '2016-06-03T00:00:00Z' end-period: '2016-06-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5662753215 dns-udp-queries-received-ipv6: 435817418 dns-tcp-queries-received-ipv4: 81251028 dns-tcp-queries-received-ipv6: 5251217 dns-udp-responses-sent-ipv4: 5662568624 dns-udp-responses-sent-ipv6: 435570903 dns-tcp-responses-sent-ipv4: 68964230 dns-tcp-responses-sent-ipv6: 310933