--- version: rssac002v3 service: j.root-servers.net start-period: '2018-03-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5245924862 dns-udp-queries-received-ipv6: 384520117 dns-tcp-queries-received-ipv4: 207426451 dns-tcp-queries-received-ipv6: 16647596 dns-udp-responses-sent-ipv4: 5122873196 dns-udp-responses-sent-ipv6: 381691162 dns-tcp-responses-sent-ipv4: 174150663 dns-tcp-responses-sent-ipv6: 16559924