--- version: rssac002v3 service: i.root-servers.net start-period: '2018-05-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5541583127 dns-udp-queries-received-ipv6: 773869149 dns-tcp-queries-received-ipv4: 133813867 dns-tcp-queries-received-ipv6: 18053511 dns-udp-responses-sent-ipv4: 5544605579 dns-udp-responses-sent-ipv6: 776098609 dns-tcp-responses-sent-ipv4: 130474591 dns-tcp-responses-sent-ipv6: 17938085