--- version: rssac002v3 service: j.root-servers.net start-period: '2018-03-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4674232794 dns-udp-queries-received-ipv6: 384194308 dns-tcp-queries-received-ipv4: 167912154 dns-tcp-queries-received-ipv6: 15778334 dns-udp-responses-sent-ipv4: 4570970577 dns-udp-responses-sent-ipv6: 381657267 dns-tcp-responses-sent-ipv4: 143612025 dns-tcp-responses-sent-ipv6: 15821233