--- version: rssac002v3 service: j.root-servers.net start-period: '2018-03-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4912619675 dns-udp-queries-received-ipv6: 383228399 dns-tcp-queries-received-ipv4: 187367908 dns-tcp-queries-received-ipv6: 16279127 dns-udp-responses-sent-ipv4: 4798639539 dns-udp-responses-sent-ipv6: 380430318 dns-tcp-responses-sent-ipv4: 160792505 dns-tcp-responses-sent-ipv6: 16215889