--- service: a.root-servers.net start-period: '2016-02-24T00:00:00Z' end-period: '2016-02-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5438729462 dns-udp-queries-received-ipv6: 360701054 dns-tcp-queries-received-ipv4: 81687209 dns-tcp-queries-received-ipv6: 3356958 dns-udp-responses-sent-ipv4: 5435410377 dns-udp-responses-sent-ipv6: 361085720 dns-tcp-responses-sent-ipv4: 69800854 dns-tcp-responses-sent-ipv6: 323917