--- version: rssac002v3 service: i.root-servers.net start-period: '2018-09-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5504237935 dns-udp-queries-received-ipv6: 1065112606 dns-tcp-queries-received-ipv4: 135845459 dns-tcp-queries-received-ipv6: 26252948 dns-udp-responses-sent-ipv4: 5418645823 dns-udp-responses-sent-ipv6: 1071127371 dns-tcp-responses-sent-ipv4: 132939783 dns-tcp-responses-sent-ipv6: 25842234