--- version: rssac002v3 service: j.root-servers.net start-period: '2018-04-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5320016166 dns-udp-queries-received-ipv6: 482227510 dns-tcp-queries-received-ipv4: 218277746 dns-tcp-queries-received-ipv6: 18334143 dns-udp-responses-sent-ipv4: 5200680483 dns-udp-responses-sent-ipv6: 478535505 dns-tcp-responses-sent-ipv4: 185029420 dns-tcp-responses-sent-ipv6: 18042637