--- version: rssac002v3 service: i.root-servers.net start-period: '2021-11-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5239921705 dns-udp-queries-received-ipv6: 909995844 dns-tcp-queries-received-ipv4: 503640314 dns-tcp-queries-received-ipv6: 49153316 dns-udp-responses-sent-ipv4: 4556857969 dns-udp-responses-sent-ipv6: 855947752 dns-tcp-responses-sent-ipv4: 483599019 dns-tcp-responses-sent-ipv6: 35838480