--- version: rssac002v3 service: i.root-servers.net start-period: '2018-10-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5238872955 dns-udp-queries-received-ipv6: 964891543 dns-tcp-queries-received-ipv4: 136865735 dns-tcp-queries-received-ipv6: 26014772 dns-udp-responses-sent-ipv4: 5195923734 dns-udp-responses-sent-ipv6: 969295955 dns-tcp-responses-sent-ipv4: 134521571 dns-tcp-responses-sent-ipv6: 25612217