--- version: rssac002v3 service: j.root-servers.net start-period: '2018-01-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4313276103 dns-udp-queries-received-ipv6: 376890010 dns-tcp-queries-received-ipv4: 148685934 dns-tcp-queries-received-ipv6: 13105894 dns-udp-responses-sent-ipv4: 4231147942 dns-udp-responses-sent-ipv6: 375001085 dns-tcp-responses-sent-ipv4: 127239588 dns-tcp-responses-sent-ipv6: 13400832