--- version: rssac002v3 service: j.root-servers.net start-period: '2018-04-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4359660768 dns-udp-queries-received-ipv6: 422510367 dns-tcp-queries-received-ipv4: 214745712 dns-tcp-queries-received-ipv6: 17733389 dns-udp-responses-sent-ipv4: 4233769305 dns-udp-responses-sent-ipv6: 420361426 dns-tcp-responses-sent-ipv4: 177222511 dns-tcp-responses-sent-ipv6: 17796145