--- version: rssac002v3 service: i.root-servers.net start-period: '2019-10-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6012611853 dns-udp-queries-received-ipv6: 1191378368 dns-tcp-queries-received-ipv4: 609453865 dns-tcp-queries-received-ipv6: 172977391 dns-udp-responses-sent-ipv4: 4960828544 dns-udp-responses-sent-ipv6: 892997137 dns-tcp-responses-sent-ipv4: 537282233 dns-tcp-responses-sent-ipv6: 141436687