--- version: rssac002v3 service: j.root-servers.net start-period: '2019-09-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8059968527 dns-udp-queries-received-ipv6: 1708413245 dns-tcp-queries-received-ipv4: 762784737 dns-tcp-queries-received-ipv6: 235053248 dns-udp-responses-sent-ipv4: 7305069525 dns-udp-responses-sent-ipv6: 1503860320 dns-tcp-responses-sent-ipv4: 493065381 dns-tcp-responses-sent-ipv6: 135231886