--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5048138627 dns-udp-queries-received-ipv6: 596415091 dns-tcp-queries-received-ipv4: 269063366 dns-tcp-queries-received-ipv6: 18561835 dns-udp-responses-sent-ipv4: 4860229659 dns-udp-responses-sent-ipv6: 595159329 dns-tcp-responses-sent-ipv4: 200874399 dns-tcp-responses-sent-ipv6: 18531828