--- version: rssac002v3 service: i.root-servers.net start-period: '2022-04-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6657887588 dns-udp-queries-received-ipv6: 1564061385 dns-tcp-queries-received-ipv4: 674285343 dns-tcp-queries-received-ipv6: 62599784 dns-udp-responses-sent-ipv4: 5568907449 dns-udp-responses-sent-ipv6: 1390418446 dns-tcp-responses-sent-ipv4: 641111178 dns-tcp-responses-sent-ipv6: 51023823