--- version: rssac002v3 service: j.root-servers.net start-period: '2018-04-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4742708845 dns-udp-queries-received-ipv6: 535244263 dns-tcp-queries-received-ipv4: 202847495 dns-tcp-queries-received-ipv6: 18026951 dns-udp-responses-sent-ipv4: 4629373902 dns-udp-responses-sent-ipv6: 531328318 dns-tcp-responses-sent-ipv4: 170298262 dns-tcp-responses-sent-ipv6: 17898267