--- version: rssac002v3 service: i.root-servers.net start-period: '2018-10-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5287660811 dns-udp-queries-received-ipv6: 975828741 dns-tcp-queries-received-ipv4: 142012628 dns-tcp-queries-received-ipv6: 26141834 dns-udp-responses-sent-ipv4: 5247384089 dns-udp-responses-sent-ipv6: 980528703 dns-tcp-responses-sent-ipv4: 140235265 dns-tcp-responses-sent-ipv6: 25730522