--- version: rssac002v3 service: j.root-servers.net start-period: '2018-04-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5000389809 dns-udp-queries-received-ipv6: 422126550 dns-tcp-queries-received-ipv4: 207360297 dns-tcp-queries-received-ipv6: 17038649 dns-udp-responses-sent-ipv4: 4859890256 dns-udp-responses-sent-ipv6: 418004312 dns-tcp-responses-sent-ipv4: 168197727 dns-tcp-responses-sent-ipv6: 16578234