--- version: rssac002v3 service: j.root-servers.net start-period: '2018-09-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6404470224 dns-udp-queries-received-ipv6: 733633421 dns-tcp-queries-received-ipv4: 289541015 dns-tcp-queries-received-ipv6: 27447348 dns-udp-responses-sent-ipv4: 5839212221 dns-udp-responses-sent-ipv6: 724010548 dns-tcp-responses-sent-ipv4: 211510308 dns-tcp-responses-sent-ipv6: 26575282