--- version: rssac002v3 service: j.root-servers.net start-period: '2018-12-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5774788673 dns-udp-queries-received-ipv6: 977107406 dns-tcp-queries-received-ipv4: 251631407 dns-tcp-queries-received-ipv6: 81394683 dns-udp-responses-sent-ipv4: 5440563806 dns-udp-responses-sent-ipv6: 919697753 dns-tcp-responses-sent-ipv4: 184842382 dns-tcp-responses-sent-ipv6: 55671460