--- version: rssac002v3 service: j.root-servers.net start-period: '2018-01-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4549001190 dns-udp-queries-received-ipv6: 393766449 dns-tcp-queries-received-ipv4: 153010547 dns-tcp-queries-received-ipv6: 13311476 dns-udp-responses-sent-ipv4: 4456733822 dns-udp-responses-sent-ipv6: 391822582 dns-tcp-responses-sent-ipv4: 128552597 dns-tcp-responses-sent-ipv6: 13496632