--- version: rssac002v3 service: i.root-servers.net start-period: '2022-01-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6262969569 dns-udp-queries-received-ipv6: 1472836287 dns-tcp-queries-received-ipv4: 651681429 dns-tcp-queries-received-ipv6: 68024872 dns-udp-responses-sent-ipv4: 5425857224 dns-udp-responses-sent-ipv6: 1375150777 dns-tcp-responses-sent-ipv4: 656387081 dns-tcp-responses-sent-ipv6: 52474021