--- version: rssac002v4 service: d.root-servers.net start-period: 2021-02-01T00:00:00Z end-period: 2021-02-01T23:59:59Z metric: traffic-volume dns-udp-queries-received-ipv4: 6523958892 dns-udp-queries-received-ipv6: 1886945551 dns-tcp-queries-received-ipv4: 203570998 dns-tcp-queries-received-ipv6: 111563570 dns-udp-responses-sent-ipv4: 6523817967 dns-udp-responses-sent-ipv6: 1886889857 dns-tcp-responses-sent-ipv4: 203390604 dns-tcp-responses-sent-ipv6: 111416824