--- version: rssac002v3 service: d.root-servers.net start-period: '2018-02-15T00:00:00Z' end-period: '2018-02-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3557320582 dns-udp-queries-received-ipv6: 534809188 dns-tcp-queries-received-ipv4: 90602148 dns-tcp-queries-received-ipv6: 14270276 dns-udp-responses-sent-ipv4: 3556831045 dns-udp-responses-sent-ipv6: 534642612 dns-tcp-responses-sent-ipv4: 90508039 dns-tcp-responses-sent-ipv6: 14265488