--- version: rssac002v3 service: j.root-servers.net start-period: '2018-01-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4629598715 dns-udp-queries-received-ipv6: 408697237 dns-tcp-queries-received-ipv4: 167677830 dns-tcp-queries-received-ipv6: 13890388 dns-udp-responses-sent-ipv4: 4532251002 dns-udp-responses-sent-ipv6: 406918715 dns-tcp-responses-sent-ipv4: 141073505 dns-tcp-responses-sent-ipv6: 13813352