--- version: rssac002v3 service: j.root-servers.net start-period: '2019-03-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7006289813 dns-udp-queries-received-ipv6: 1198180495 dns-tcp-queries-received-ipv4: 333159600 dns-tcp-queries-received-ipv6: 175087885 dns-udp-responses-sent-ipv4: 6665171703 dns-udp-responses-sent-ipv6: 1066742972 dns-tcp-responses-sent-ipv4: 296747637 dns-tcp-responses-sent-ipv6: 107764155