--- version: rssac002v3 service: j.root-servers.net start-period: '2019-09-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7211133852 dns-udp-queries-received-ipv6: 1555547418 dns-tcp-queries-received-ipv4: 690770441 dns-tcp-queries-received-ipv6: 216638256 dns-udp-responses-sent-ipv4: 6532116941 dns-udp-responses-sent-ipv6: 1367794032 dns-tcp-responses-sent-ipv4: 444701484 dns-tcp-responses-sent-ipv6: 124917107