--- version: rssac002v3 service: i.root-servers.net start-period: '2018-10-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5537997335 dns-udp-queries-received-ipv6: 996004660 dns-tcp-queries-received-ipv4: 143906971 dns-tcp-queries-received-ipv6: 25715143 dns-udp-responses-sent-ipv4: 5429274128 dns-udp-responses-sent-ipv6: 1000890328 dns-tcp-responses-sent-ipv4: 140454137 dns-tcp-responses-sent-ipv6: 25206147