--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4867356842 dns-udp-queries-received-ipv6: 521404733 dns-tcp-queries-received-ipv4: 234433950 dns-tcp-queries-received-ipv6: 18288875 dns-udp-responses-sent-ipv4: 4707657250 dns-udp-responses-sent-ipv6: 516920629 dns-tcp-responses-sent-ipv4: 188150364 dns-tcp-responses-sent-ipv6: 18314353