--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5806952009 dns-udp-queries-received-ipv6: 581292376 dns-tcp-queries-received-ipv4: 267472453 dns-tcp-queries-received-ipv6: 19637375 dns-udp-responses-sent-ipv4: 5601054863 dns-udp-responses-sent-ipv6: 572288112 dns-tcp-responses-sent-ipv4: 208479706 dns-tcp-responses-sent-ipv6: 19203751