--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5668993827 dns-udp-queries-received-ipv6: 627852169 dns-tcp-queries-received-ipv4: 279869945 dns-tcp-queries-received-ipv6: 19434876 dns-udp-responses-sent-ipv4: 5467516903 dns-udp-responses-sent-ipv6: 625986263 dns-tcp-responses-sent-ipv4: 218474230 dns-tcp-responses-sent-ipv6: 19420534