--- version: rssac002v3 service: i.root-servers.net start-period: '2021-11-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5741304349 dns-udp-queries-received-ipv6: 1060698959 dns-tcp-queries-received-ipv4: 512327976 dns-tcp-queries-received-ipv6: 63099781 dns-udp-responses-sent-ipv4: 4961551934 dns-udp-responses-sent-ipv6: 973721844 dns-tcp-responses-sent-ipv4: 497057356 dns-tcp-responses-sent-ipv6: 48393260