--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5719838097 dns-udp-queries-received-ipv6: 575862182 dns-tcp-queries-received-ipv4: 283134174 dns-tcp-queries-received-ipv6: 19996701 dns-udp-responses-sent-ipv4: 5512676416 dns-udp-responses-sent-ipv6: 568964330 dns-tcp-responses-sent-ipv4: 223148161 dns-tcp-responses-sent-ipv6: 20056063