--- version: rssac002v3 service: j.root-servers.net start-period: '2018-04-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4950195663 dns-udp-queries-received-ipv6: 500298816 dns-tcp-queries-received-ipv4: 212430401 dns-tcp-queries-received-ipv6: 24405454 dns-udp-responses-sent-ipv4: 4819853559 dns-udp-responses-sent-ipv6: 491543329 dns-tcp-responses-sent-ipv4: 178276270 dns-tcp-responses-sent-ipv6: 21323622