--- version: rssac002v3 service: i.root-servers.net start-period: '2018-01-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5041890186 dns-udp-queries-received-ipv6: 637837221 dns-tcp-queries-received-ipv4: 90961628 dns-tcp-queries-received-ipv6: 12837473 dns-udp-responses-sent-ipv4: 5116373448 dns-udp-responses-sent-ipv6: 677222800 dns-tcp-responses-sent-ipv4: 91208355 dns-tcp-responses-sent-ipv6: 12821863