--- version: rssac002v3 service: j.root-servers.net start-period: '2018-04-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4612140403 dns-udp-queries-received-ipv6: 379798733 dns-tcp-queries-received-ipv4: 197732681 dns-tcp-queries-received-ipv6: 15329330 dns-udp-responses-sent-ipv4: 4488861051 dns-udp-responses-sent-ipv6: 377706980 dns-tcp-responses-sent-ipv4: 160430129 dns-tcp-responses-sent-ipv6: 15395011