--- version: rssac002v3 service: i.root-servers.net start-period: '2021-10-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5333663928 dns-udp-queries-received-ipv6: 1142426805 dns-tcp-queries-received-ipv4: 488648259 dns-tcp-queries-received-ipv6: 135477562 dns-udp-responses-sent-ipv4: 4625357021 dns-udp-responses-sent-ipv6: 1035215914 dns-tcp-responses-sent-ipv4: 445666848 dns-tcp-responses-sent-ipv6: 130136610