--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4990356277 dns-udp-queries-received-ipv6: 554891656 dns-tcp-queries-received-ipv4: 271481005 dns-tcp-queries-received-ipv6: 21500646 dns-udp-responses-sent-ipv4: 4772982210 dns-udp-responses-sent-ipv6: 548756213 dns-tcp-responses-sent-ipv4: 209109103 dns-tcp-responses-sent-ipv6: 20509652