--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5797410742 dns-udp-queries-received-ipv6: 560262236 dns-tcp-queries-received-ipv4: 322969779 dns-tcp-queries-received-ipv6: 18317354 dns-udp-responses-sent-ipv4: 5528867064 dns-udp-responses-sent-ipv6: 473920639 dns-tcp-responses-sent-ipv4: 248115746 dns-tcp-responses-sent-ipv6: 18438876