--- service: a.root-servers.net start-period: '2016-08-14T00:00:00Z' end-period: '2016-08-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3230386319 dns-udp-queries-received-ipv6: 469555341 dns-tcp-queries-received-ipv4: 46329356 dns-tcp-queries-received-ipv6: 5319392 dns-udp-responses-sent-ipv4: 3223002309 dns-udp-responses-sent-ipv6: 469539070 dns-tcp-responses-sent-ipv4: 45354963 dns-tcp-responses-sent-ipv6: 3728219