--- version: rssac002v3 service: i.root-servers.net start-period: '2018-10-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5000938240 dns-udp-queries-received-ipv6: 1009154867 dns-tcp-queries-received-ipv4: 118860793 dns-tcp-queries-received-ipv6: 21914576 dns-udp-responses-sent-ipv4: 4881513717 dns-udp-responses-sent-ipv6: 1013264287 dns-tcp-responses-sent-ipv4: 116628551 dns-tcp-responses-sent-ipv6: 21698813