--- version: rssac002v3 service: j.root-servers.net start-period: '2019-02-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7048947590 dns-udp-queries-received-ipv6: 890548356 dns-tcp-queries-received-ipv4: 564904124 dns-tcp-queries-received-ipv6: 97348737 dns-udp-responses-sent-ipv4: 6595750948 dns-udp-responses-sent-ipv6: 827830371 dns-tcp-responses-sent-ipv4: 398354401 dns-tcp-responses-sent-ipv6: 67421110