--- version: rssac002v3 service: j.root-servers.net start-period: '2019-03-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6673171359 dns-udp-queries-received-ipv6: 1126265151 dns-tcp-queries-received-ipv4: 348274122 dns-tcp-queries-received-ipv6: 174030139 dns-udp-responses-sent-ipv4: 6317781567 dns-udp-responses-sent-ipv6: 992328624 dns-tcp-responses-sent-ipv4: 305764664 dns-tcp-responses-sent-ipv6: 105204927