--- version: rssac002v3 service: i.root-servers.net start-period: '2018-09-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5062645160 dns-udp-queries-received-ipv6: 972188169 dns-tcp-queries-received-ipv4: 132529012 dns-tcp-queries-received-ipv6: 24002479 dns-udp-responses-sent-ipv4: 5065201526 dns-udp-responses-sent-ipv6: 971700993 dns-tcp-responses-sent-ipv4: 130319550 dns-tcp-responses-sent-ipv6: 23545720