--- version: rssac002v3 service: i.root-servers.net start-period: '2021-08-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4832510461 dns-udp-queries-received-ipv6: 1015888664 dns-tcp-queries-received-ipv4: 465935568 dns-tcp-queries-received-ipv6: 89475113 dns-udp-responses-sent-ipv4: 4291447761 dns-udp-responses-sent-ipv6: 1033244153 dns-tcp-responses-sent-ipv4: 407557849 dns-tcp-responses-sent-ipv6: 86952591