--- version: rssac002v3 service: j.root-servers.net start-period: '2018-05-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4799838627 dns-udp-queries-received-ipv6: 591081962 dns-tcp-queries-received-ipv4: 195738234 dns-tcp-queries-received-ipv6: 17101048 dns-udp-responses-sent-ipv4: 4696787137 dns-udp-responses-sent-ipv6: 587195646 dns-tcp-responses-sent-ipv4: 163322601 dns-tcp-responses-sent-ipv6: 16895993