--- version: rssac002v3 service: i.root-servers.net start-period: '2022-04-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6198805014 dns-udp-queries-received-ipv6: 1503095326 dns-tcp-queries-received-ipv4: 612376459 dns-tcp-queries-received-ipv6: 69187964 dns-udp-responses-sent-ipv4: 5365215558 dns-udp-responses-sent-ipv6: 1363835912 dns-tcp-responses-sent-ipv4: 603067992 dns-tcp-responses-sent-ipv6: 66890998