--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5275906145 dns-udp-queries-received-ipv6: 548843307 dns-tcp-queries-received-ipv4: 261552708 dns-tcp-queries-received-ipv6: 19130596 dns-udp-responses-sent-ipv4: 5104497929 dns-udp-responses-sent-ipv6: 539387014 dns-tcp-responses-sent-ipv4: 207571364 dns-tcp-responses-sent-ipv6: 18632018