--- version: rssac002v3 service: i.root-servers.net start-period: '2017-12-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5018200308 dns-udp-queries-received-ipv6: 602536122 dns-tcp-queries-received-ipv4: 90134045 dns-tcp-queries-received-ipv6: 14059387 dns-udp-responses-sent-ipv4: 5127819428 dns-udp-responses-sent-ipv6: 598469561 dns-tcp-responses-sent-ipv4: 90699488 dns-tcp-responses-sent-ipv6: 14029212