--- version: rssac002v3 service: j.root-servers.net start-period: '2018-05-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4541296221 dns-udp-queries-received-ipv6: 493711495 dns-tcp-queries-received-ipv4: 205074352 dns-tcp-queries-received-ipv6: 19572211 dns-udp-responses-sent-ipv4: 4427785138 dns-udp-responses-sent-ipv6: 490261704 dns-tcp-responses-sent-ipv4: 167037357 dns-tcp-responses-sent-ipv6: 18991442