--- version: rssac002v3 service: j.root-servers.net start-period: '2018-05-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4593554930 dns-udp-queries-received-ipv6: 559407924 dns-tcp-queries-received-ipv4: 221172518 dns-tcp-queries-received-ipv6: 19165910 dns-udp-responses-sent-ipv4: 4473697736 dns-udp-responses-sent-ipv6: 548207656 dns-tcp-responses-sent-ipv4: 183213336 dns-tcp-responses-sent-ipv6: 18777685