--- version: rssac002v3 service: j.root-servers.net start-period: '2018-02-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4110453158 dns-udp-queries-received-ipv6: 393601356 dns-tcp-queries-received-ipv4: 162221774 dns-tcp-queries-received-ipv6: 14382451 dns-udp-responses-sent-ipv4: 4015204609 dns-udp-responses-sent-ipv6: 391003189 dns-tcp-responses-sent-ipv4: 136250120 dns-tcp-responses-sent-ipv6: 14357387