--- version: rssac002v3 service: d.root-servers.net start-period: '2019-01-09T00:00:00Z' end-period: '2019-01-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6372561425 dns-udp-queries-received-ipv6: 1489315767 dns-tcp-queries-received-ipv4: 403320165 dns-tcp-queries-received-ipv6: 43437950 dns-udp-responses-sent-ipv4: 6372642521 dns-udp-responses-sent-ipv6: 1489215447 dns-tcp-responses-sent-ipv4: 402961230 dns-tcp-responses-sent-ipv6: 43392191