--- service: a.root-servers.net start-period: '2016-08-23T00:00:00Z' end-period: '2016-08-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3674920596 dns-udp-queries-received-ipv6: 483103370 dns-tcp-queries-received-ipv4: 54093508 dns-tcp-queries-received-ipv6: 5560790 dns-udp-responses-sent-ipv4: 3668280176 dns-udp-responses-sent-ipv6: 483030165 dns-tcp-responses-sent-ipv4: 51646215 dns-tcp-responses-sent-ipv6: 4047451