--- version: rssac002v3 service: i.root-servers.net start-period: '2018-10-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5154697034 dns-udp-queries-received-ipv6: 1026309943 dns-tcp-queries-received-ipv4: 119742027 dns-tcp-queries-received-ipv6: 22573406 dns-udp-responses-sent-ipv4: 5076799895 dns-udp-responses-sent-ipv6: 1031001561 dns-tcp-responses-sent-ipv4: 117997374 dns-tcp-responses-sent-ipv6: 22365734