--- version: rssac002v3 service: j.root-servers.net start-period: '2018-09-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5296981771 dns-udp-queries-received-ipv6: 641237601 dns-tcp-queries-received-ipv4: 280333545 dns-tcp-queries-received-ipv6: 21630287 dns-udp-responses-sent-ipv4: 5076655287 dns-udp-responses-sent-ipv6: 639574660 dns-tcp-responses-sent-ipv4: 207363521 dns-tcp-responses-sent-ipv6: 21498121