--- version: rssac002v3 service: j.root-servers.net start-period: '2018-02-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4673555879 dns-udp-queries-received-ipv6: 358236425 dns-tcp-queries-received-ipv4: 176499101 dns-tcp-queries-received-ipv6: 13621217 dns-udp-responses-sent-ipv4: 4566588168 dns-udp-responses-sent-ipv6: 356316409 dns-tcp-responses-sent-ipv4: 153011351 dns-tcp-responses-sent-ipv6: 13600451