--- version: rssac002v3 service: j.root-servers.net start-period: '2018-09-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5689883119 dns-udp-queries-received-ipv6: 608572254 dns-tcp-queries-received-ipv4: 312849376 dns-tcp-queries-received-ipv6: 23155959 dns-udp-responses-sent-ipv4: 5241578435 dns-udp-responses-sent-ipv6: 603292309 dns-tcp-responses-sent-ipv4: 222642516 dns-tcp-responses-sent-ipv6: 23120633