--- version: rssac002v3 service: d.root-servers.net start-period: '2017-04-01T00:00:00Z' end-period: '2017-04-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3913607508 dns-udp-queries-received-ipv6: 690951254 dns-tcp-queries-received-ipv4: 67660868 dns-tcp-queries-received-ipv6: 7968619 dns-udp-responses-sent-ipv4: 3905918178 dns-udp-responses-sent-ipv6: 690850002 dns-tcp-responses-sent-ipv4: 67377155 dns-tcp-responses-sent-ipv6: 7966395