--- version: rssac002v3 service: j.root-servers.net start-period: '2018-02-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4479201502 dns-udp-queries-received-ipv6: 342487133 dns-tcp-queries-received-ipv4: 157168374 dns-tcp-queries-received-ipv6: 13806026 dns-udp-responses-sent-ipv4: 4346516378 dns-udp-responses-sent-ipv6: 340078511 dns-tcp-responses-sent-ipv4: 130549149 dns-tcp-responses-sent-ipv6: 13811623