--- version: rssac002v3 service: i.root-servers.net start-period: '2021-10-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5229654168 dns-udp-queries-received-ipv6: 1234990958 dns-tcp-queries-received-ipv4: 500262058 dns-tcp-queries-received-ipv6: 156114130 dns-udp-responses-sent-ipv4: 4465861395 dns-udp-responses-sent-ipv6: 1035290221 dns-tcp-responses-sent-ipv4: 473316985 dns-tcp-responses-sent-ipv6: 138525428