--- version: rssac002v3 service: i.root-servers.net start-period: '2021-10-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4770254302 dns-udp-queries-received-ipv6: 1015533114 dns-tcp-queries-received-ipv4: 484826671 dns-tcp-queries-received-ipv6: 129836763 dns-udp-responses-sent-ipv4: 4126840133 dns-udp-responses-sent-ipv6: 874720696 dns-tcp-responses-sent-ipv4: 449366969 dns-tcp-responses-sent-ipv6: 111938752