--- version: rssac002v3 service: i.root-servers.net start-period: '2018-01-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5566934746 dns-udp-queries-received-ipv6: 657244015 dns-tcp-queries-received-ipv4: 90222556 dns-tcp-queries-received-ipv6: 13314504 dns-udp-responses-sent-ipv4: 5651665348 dns-udp-responses-sent-ipv6: 673643862 dns-tcp-responses-sent-ipv4: 90301771 dns-tcp-responses-sent-ipv6: 13279821