--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8835790977 dns-udp-queries-received-ipv6: 1143830263 dns-tcp-queries-received-ipv4: 867933530 dns-tcp-queries-received-ipv6: 106176909 dns-udp-responses-sent-ipv4: 7896405379 dns-udp-responses-sent-ipv6: 1116801883 dns-tcp-responses-sent-ipv4: 588542726 dns-tcp-responses-sent-ipv6: 94416199