--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5090984964 dns-udp-queries-received-ipv6: 492345046 dns-tcp-queries-received-ipv4: 261586211 dns-tcp-queries-received-ipv6: 18618089 dns-udp-responses-sent-ipv4: 4909508656 dns-udp-responses-sent-ipv6: 490973160 dns-tcp-responses-sent-ipv4: 199163556 dns-tcp-responses-sent-ipv6: 18691489