--- version: rssac002v3 service: j.root-servers.net start-period: '2019-08-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8001558287 dns-udp-queries-received-ipv6: 1775161821 dns-tcp-queries-received-ipv4: 705015623 dns-tcp-queries-received-ipv6: 284839275 dns-udp-responses-sent-ipv4: 7305357154 dns-udp-responses-sent-ipv6: 1519384900 dns-tcp-responses-sent-ipv4: 466914104 dns-tcp-responses-sent-ipv6: 160414536