--- version: rssac002v3 service: i.root-servers.net start-period: '2018-09-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5595433658 dns-udp-queries-received-ipv6: 1030109555 dns-tcp-queries-received-ipv4: 136465536 dns-tcp-queries-received-ipv6: 25824895 dns-udp-responses-sent-ipv4: 5607658039 dns-udp-responses-sent-ipv6: 1029689159 dns-tcp-responses-sent-ipv4: 134589425 dns-tcp-responses-sent-ipv6: 25434657