--- version: rssac002v3 service: i.root-servers.net start-period: '2017-12-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5073288027 dns-udp-queries-received-ipv6: 709683518 dns-tcp-queries-received-ipv4: 83073339 dns-tcp-queries-received-ipv6: 13534503 dns-udp-responses-sent-ipv4: 5148439435 dns-udp-responses-sent-ipv6: 706264648 dns-tcp-responses-sent-ipv4: 83624425 dns-tcp-responses-sent-ipv6: 13498621