--- version: rssac002v3 service: j.root-servers.net start-period: '2018-02-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4632609719 dns-udp-queries-received-ipv6: 406923040 dns-tcp-queries-received-ipv4: 178038480 dns-tcp-queries-received-ipv6: 16212398 dns-udp-responses-sent-ipv4: 4531245499 dns-udp-responses-sent-ipv6: 404312396 dns-tcp-responses-sent-ipv4: 150539812 dns-tcp-responses-sent-ipv6: 16205146