--- version: rssac002v3 service: j.root-servers.net start-period: '2019-07-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7032130818 dns-udp-queries-received-ipv6: 1228213901 dns-tcp-queries-received-ipv4: 468776510 dns-tcp-queries-received-ipv6: 99666478 dns-udp-responses-sent-ipv4: 6656641831 dns-udp-responses-sent-ipv6: 1167379545 dns-tcp-responses-sent-ipv4: 348414114 dns-tcp-responses-sent-ipv6: 70094568