--- version: rssac002v3 service: j.root-servers.net start-period: '2018-03-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5269081425 dns-udp-queries-received-ipv6: 391055016 dns-tcp-queries-received-ipv4: 188294924 dns-tcp-queries-received-ipv6: 17099092 dns-udp-responses-sent-ipv4: 5164227963 dns-udp-responses-sent-ipv6: 388380496 dns-tcp-responses-sent-ipv4: 158014949 dns-tcp-responses-sent-ipv6: 17134615