--- version: rssac002v3 service: i.root-servers.net start-period: '2019-06-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 565572760 dns-udp-queries-received-ipv6: 182296328 dns-tcp-queries-received-ipv4: 7046296 dns-tcp-queries-received-ipv6: 1044864 dns-udp-responses-sent-ipv4: 571122037 dns-udp-responses-sent-ipv6: 181838955 dns-tcp-responses-sent-ipv4: 6569378 dns-tcp-responses-sent-ipv6: 1085524