--- version: rssac002v3 service: j.root-servers.net start-period: '2019-06-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6984651209 dns-udp-queries-received-ipv6: 1244544344 dns-tcp-queries-received-ipv4: 418545524 dns-tcp-queries-received-ipv6: 80909891 dns-udp-responses-sent-ipv4: 6519625559 dns-udp-responses-sent-ipv6: 1196854317 dns-tcp-responses-sent-ipv4: 337189751 dns-tcp-responses-sent-ipv6: 57831643