--- version: rssac002v3 service: j.root-servers.net start-period: '2017-12-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4142670822 dns-udp-queries-received-ipv6: 415615285 dns-tcp-queries-received-ipv4: 159765860 dns-tcp-queries-received-ipv6: 12014282 dns-udp-responses-sent-ipv4: 4060276922 dns-udp-responses-sent-ipv6: 416023640 dns-tcp-responses-sent-ipv4: 138430708 dns-tcp-responses-sent-ipv6: 12172675