--- version: rssac002v3 service: j.root-servers.net start-period: '2019-06-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8514230322 dns-udp-queries-received-ipv6: 1375488372 dns-tcp-queries-received-ipv4: 787346646 dns-tcp-queries-received-ipv6: 81244146 dns-udp-responses-sent-ipv4: 7844687981 dns-udp-responses-sent-ipv6: 1327632595 dns-tcp-responses-sent-ipv4: 560039080 dns-tcp-responses-sent-ipv6: 58404632