--- version: rssac002v3 service: j.root-servers.net start-period: '2018-02-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4684801613 dns-udp-queries-received-ipv6: 411060453 dns-tcp-queries-received-ipv4: 171572583 dns-tcp-queries-received-ipv6: 17659238 dns-udp-responses-sent-ipv4: 4582470009 dns-udp-responses-sent-ipv6: 405826554 dns-tcp-responses-sent-ipv4: 144040443 dns-tcp-responses-sent-ipv6: 16474603