--- version: rssac002v3 service: j.root-servers.net start-period: '2017-12-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4456406981 dns-udp-queries-received-ipv6: 437298942 dns-tcp-queries-received-ipv4: 171437300 dns-tcp-queries-received-ipv6: 12309861 dns-udp-responses-sent-ipv4: 4374175185 dns-udp-responses-sent-ipv6: 437718503 dns-tcp-responses-sent-ipv4: 150328352 dns-tcp-responses-sent-ipv6: 12469337