--- version: rssac002v3 service: i.root-servers.net start-period: '2022-01-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7145291122 dns-udp-queries-received-ipv6: 1646207983 dns-tcp-queries-received-ipv4: 730885441 dns-tcp-queries-received-ipv6: 74481414 dns-udp-responses-sent-ipv4: 6186371983 dns-udp-responses-sent-ipv6: 1541113439 dns-tcp-responses-sent-ipv4: 727186498 dns-tcp-responses-sent-ipv6: 59639126