--- version: rssac002v3 service: j.root-servers.net start-period: '2019-02-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6831204332 dns-udp-queries-received-ipv6: 746349974 dns-tcp-queries-received-ipv4: 541497370 dns-tcp-queries-received-ipv6: 37944675 dns-udp-responses-sent-ipv4: 6421693670 dns-udp-responses-sent-ipv6: 743478006 dns-tcp-responses-sent-ipv4: 397947756 dns-tcp-responses-sent-ipv6: 37137742