--- version: rssac002v3 service: i.root-servers.net start-period: '2018-06-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4851849861 dns-udp-queries-received-ipv6: 828213080 dns-tcp-queries-received-ipv4: 122546663 dns-tcp-queries-received-ipv6: 16926144 dns-udp-responses-sent-ipv4: 4827907603 dns-udp-responses-sent-ipv6: 827997976 dns-tcp-responses-sent-ipv4: 119698752 dns-tcp-responses-sent-ipv6: 16975909