--- version: rssac002v3 service: j.root-servers.net start-period: '2019-03-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7088780127 dns-udp-queries-received-ipv6: 1062443556 dns-tcp-queries-received-ipv4: 487519655 dns-tcp-queries-received-ipv6: 71101848 dns-udp-responses-sent-ipv4: 6668575996 dns-udp-responses-sent-ipv6: 1022739083 dns-tcp-responses-sent-ipv4: 376440538 dns-tcp-responses-sent-ipv6: 52695311