--- version: rssac002v3 service: j.root-servers.net start-period: '2018-03-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4747785592 dns-udp-queries-received-ipv6: 397520752 dns-tcp-queries-received-ipv4: 184466880 dns-tcp-queries-received-ipv6: 15622075 dns-udp-responses-sent-ipv4: 4626832738 dns-udp-responses-sent-ipv6: 395605041 dns-tcp-responses-sent-ipv4: 155921916 dns-tcp-responses-sent-ipv6: 15578530