--- version: rssac002v3 service: j.root-servers.net start-period: '2019-03-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6592318756 dns-udp-queries-received-ipv6: 1139662299 dns-tcp-queries-received-ipv4: 323226093 dns-tcp-queries-received-ipv6: 170385974 dns-udp-responses-sent-ipv4: 6320863115 dns-udp-responses-sent-ipv6: 1013735214 dns-tcp-responses-sent-ipv4: 290442500 dns-tcp-responses-sent-ipv6: 105809944