--- service: a.root-servers.net start-period: '2016-03-27T00:00:00Z' end-period: '2016-03-27T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5586945712 dns-udp-queries-received-ipv6: 325696235 dns-tcp-queries-received-ipv4: 143855907 dns-tcp-queries-received-ipv6: 2714977 dns-udp-responses-sent-ipv4: 5579101533 dns-udp-responses-sent-ipv6: 327174556 dns-tcp-responses-sent-ipv4: 97191317 dns-tcp-responses-sent-ipv6: 280576