--- version: rssac002v3 service: j.root-servers.net start-period: '2018-03-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4684303675 dns-udp-queries-received-ipv6: 359963953 dns-tcp-queries-received-ipv4: 168973440 dns-tcp-queries-received-ipv6: 14256454 dns-udp-responses-sent-ipv4: 4537153443 dns-udp-responses-sent-ipv6: 357616748 dns-tcp-responses-sent-ipv4: 140651823 dns-tcp-responses-sent-ipv6: 14277069