--- version: rssac002v3 service: j.root-servers.net start-period: '2018-02-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4481721250 dns-udp-queries-received-ipv6: 332768751 dns-tcp-queries-received-ipv4: 163411394 dns-tcp-queries-received-ipv6: 13174441 dns-udp-responses-sent-ipv4: 4386118863 dns-udp-responses-sent-ipv6: 330951253 dns-tcp-responses-sent-ipv4: 138888784 dns-tcp-responses-sent-ipv6: 13130799