--- version: rssac002v3 service: j.root-servers.net start-period: '2018-02-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4795434195 dns-udp-queries-received-ipv6: 358717675 dns-tcp-queries-received-ipv4: 175808896 dns-tcp-queries-received-ipv6: 13478857 dns-udp-responses-sent-ipv4: 4682445642 dns-udp-responses-sent-ipv6: 356018204 dns-tcp-responses-sent-ipv4: 152549619 dns-tcp-responses-sent-ipv6: 13465132