--- version: rssac002v3 service: j.root-servers.net start-period: '2018-03-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4422135725 dns-udp-queries-received-ipv6: 376127620 dns-tcp-queries-received-ipv4: 198750517 dns-tcp-queries-received-ipv6: 15481910 dns-udp-responses-sent-ipv4: 4296158944 dns-udp-responses-sent-ipv6: 373387521 dns-tcp-responses-sent-ipv4: 160187451 dns-tcp-responses-sent-ipv6: 15396156