--- version: rssac002v3 service: i.root-servers.net start-period: '2022-02-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6979727800 dns-udp-queries-received-ipv6: 1672310947 dns-tcp-queries-received-ipv4: 691553362 dns-tcp-queries-received-ipv6: 75018639 dns-udp-responses-sent-ipv4: 6047737139 dns-udp-responses-sent-ipv6: 1563836822 dns-tcp-responses-sent-ipv4: 674647365 dns-tcp-responses-sent-ipv6: 58186931