--- version: rssac002v3 service: j.root-servers.net start-period: '2019-06-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7948788325 dns-udp-queries-received-ipv6: 1291879890 dns-tcp-queries-received-ipv4: 565286487 dns-tcp-queries-received-ipv6: 78624119 dns-udp-responses-sent-ipv4: 7346342675 dns-udp-responses-sent-ipv6: 1245862989 dns-tcp-responses-sent-ipv4: 416525689 dns-tcp-responses-sent-ipv6: 56573977