--- version: rssac002v3 service: j.root-servers.net start-period: '2018-01-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4554581838 dns-udp-queries-received-ipv6: 430672921 dns-tcp-queries-received-ipv4: 161158180 dns-tcp-queries-received-ipv6: 13275088 dns-udp-responses-sent-ipv4: 4472307690 dns-udp-responses-sent-ipv6: 429891977 dns-tcp-responses-sent-ipv4: 140435977 dns-tcp-responses-sent-ipv6: 13486962