--- version: rssac002v3 service: j.root-servers.net start-period: '2017-12-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4555530588 dns-udp-queries-received-ipv6: 441061873 dns-tcp-queries-received-ipv4: 150364773 dns-tcp-queries-received-ipv6: 14708253 dns-udp-responses-sent-ipv4: 4470914790 dns-udp-responses-sent-ipv6: 439360627 dns-tcp-responses-sent-ipv4: 126405441 dns-tcp-responses-sent-ipv6: 13992179