--- version: rssac002v3 service: j.root-servers.net start-period: '2018-03-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4793849359 dns-udp-queries-received-ipv6: 423181513 dns-tcp-queries-received-ipv4: 180818615 dns-tcp-queries-received-ipv6: 16119366 dns-udp-responses-sent-ipv4: 4669538166 dns-udp-responses-sent-ipv6: 420211720 dns-tcp-responses-sent-ipv4: 153966493 dns-tcp-responses-sent-ipv6: 15964106