--- version: rssac002v3 service: i.root-servers.net start-period: '2018-05-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5930837358 dns-udp-queries-received-ipv6: 772447057 dns-tcp-queries-received-ipv4: 127100489 dns-tcp-queries-received-ipv6: 16709791 dns-udp-responses-sent-ipv4: 5951742628 dns-udp-responses-sent-ipv6: 779331183 dns-tcp-responses-sent-ipv4: 124770071 dns-tcp-responses-sent-ipv6: 16577340