--- version: rssac002v3 service: j.root-servers.net start-period: '2018-05-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4764716808 dns-udp-queries-received-ipv6: 524730247 dns-tcp-queries-received-ipv4: 199033936 dns-tcp-queries-received-ipv6: 19724819 dns-udp-responses-sent-ipv4: 4657269300 dns-udp-responses-sent-ipv6: 522095402 dns-tcp-responses-sent-ipv4: 166913559 dns-tcp-responses-sent-ipv6: 19229098