--- version: rssac002v3 service: j.root-servers.net start-period: '2018-04-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4912138056 dns-udp-queries-received-ipv6: 405679498 dns-tcp-queries-received-ipv4: 209883201 dns-tcp-queries-received-ipv6: 15997604 dns-udp-responses-sent-ipv4: 4799573209 dns-udp-responses-sent-ipv6: 403022242 dns-tcp-responses-sent-ipv4: 170054716 dns-tcp-responses-sent-ipv6: 16058698