--- version: rssac002v3 service: j.root-servers.net start-period: '2019-09-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7535773971 dns-udp-queries-received-ipv6: 1664533696 dns-tcp-queries-received-ipv4: 647427736 dns-tcp-queries-received-ipv6: 246883310 dns-udp-responses-sent-ipv4: 6858396152 dns-udp-responses-sent-ipv6: 1447895524 dns-tcp-responses-sent-ipv4: 428271706 dns-tcp-responses-sent-ipv6: 141208793