--- version: rssac002v3 service: j.root-servers.net start-period: '2019-05-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8077226276 dns-udp-queries-received-ipv6: 1473126798 dns-tcp-queries-received-ipv4: 772478468 dns-tcp-queries-received-ipv6: 85309512 dns-udp-responses-sent-ipv4: 7352083699 dns-udp-responses-sent-ipv6: 1425894848 dns-tcp-responses-sent-ipv4: 544411484 dns-tcp-responses-sent-ipv6: 63562899