--- version: rssac002v3 service: i.root-servers.net start-period: '2017-01-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5771809897 dns-udp-queries-received-ipv6: 723858332 dns-tcp-queries-received-ipv4: 62242930 dns-tcp-queries-received-ipv6: 7361204 dns-udp-responses-sent-ipv4: 5871563092 dns-udp-responses-sent-ipv6: 723876815 dns-tcp-responses-sent-ipv4: 63682188 dns-tcp-responses-sent-ipv6: 7462403