--- version: rssac002v3 service: j.root-servers.net start-period: '2018-01-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4482082838 dns-udp-queries-received-ipv6: 384994075 dns-tcp-queries-received-ipv4: 144245649 dns-tcp-queries-received-ipv6: 13077875 dns-udp-responses-sent-ipv4: 4393664132 dns-udp-responses-sent-ipv6: 383429159 dns-tcp-responses-sent-ipv4: 121307261 dns-tcp-responses-sent-ipv6: 13121210