--- version: rssac002v3 service: i.root-servers.net start-period: '2017-12-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5377388153 dns-udp-queries-received-ipv6: 760620727 dns-tcp-queries-received-ipv4: 88115545 dns-tcp-queries-received-ipv6: 12722301 dns-udp-responses-sent-ipv4: 5381986821 dns-udp-responses-sent-ipv6: 758108144 dns-tcp-responses-sent-ipv4: 88798987 dns-tcp-responses-sent-ipv6: 12761425