--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5018371572 dns-udp-queries-received-ipv6: 520551905 dns-tcp-queries-received-ipv4: 224341525 dns-tcp-queries-received-ipv6: 17930267 dns-udp-responses-sent-ipv4: 4863689647 dns-udp-responses-sent-ipv6: 515897419 dns-tcp-responses-sent-ipv4: 183560727 dns-tcp-responses-sent-ipv6: 17926240