--- version: rssac002v3 service: i.root-servers.net start-period: '2017-12-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5309119162 dns-udp-queries-received-ipv6: 598686961 dns-tcp-queries-received-ipv4: 94057648 dns-tcp-queries-received-ipv6: 11771993 dns-udp-responses-sent-ipv4: 5354465688 dns-udp-responses-sent-ipv6: 655499106 dns-tcp-responses-sent-ipv4: 92548831 dns-tcp-responses-sent-ipv6: 11824047