--- version: rssac002v3 service: j.root-servers.net start-period: '2018-05-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5152337351 dns-udp-queries-received-ipv6: 542522104 dns-tcp-queries-received-ipv4: 253353132 dns-tcp-queries-received-ipv6: 19180880 dns-udp-responses-sent-ipv4: 4977076078 dns-udp-responses-sent-ipv6: 534120733 dns-tcp-responses-sent-ipv4: 191136113 dns-tcp-responses-sent-ipv6: 19011452