--- version: rssac002v3 service: j.root-servers.net start-period: '2019-07-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7097729008 dns-udp-queries-received-ipv6: 1293277730 dns-tcp-queries-received-ipv4: 491148604 dns-tcp-queries-received-ipv6: 105761303 dns-udp-responses-sent-ipv4: 6708290101 dns-udp-responses-sent-ipv6: 1226110777 dns-tcp-responses-sent-ipv4: 361951296 dns-tcp-responses-sent-ipv6: 73357869