--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5742706087 dns-udp-queries-received-ipv6: 570984112 dns-tcp-queries-received-ipv4: 268430852 dns-tcp-queries-received-ipv6: 17841689 dns-udp-responses-sent-ipv4: 5554743952 dns-udp-responses-sent-ipv6: 486735923 dns-tcp-responses-sent-ipv4: 215433797 dns-tcp-responses-sent-ipv6: 18004025