--- version: rssac002v3 service: j.root-servers.net start-period: '2018-03-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4661745452 dns-udp-queries-received-ipv6: 389379036 dns-tcp-queries-received-ipv4: 186326164 dns-tcp-queries-received-ipv6: 16062174 dns-udp-responses-sent-ipv4: 4544885307 dns-udp-responses-sent-ipv6: 387009417 dns-tcp-responses-sent-ipv4: 157470818 dns-tcp-responses-sent-ipv6: 16030947