--- version: rssac002v3 service: i.root-servers.net start-period: '2021-03-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 12690434635 dns-udp-queries-received-ipv6: 943883674 dns-tcp-queries-received-ipv4: 426613291 dns-tcp-queries-received-ipv6: 114077899 dns-udp-responses-sent-ipv4: 14614380416 dns-udp-responses-sent-ipv6: 880107089 dns-tcp-responses-sent-ipv4: 332324155 dns-tcp-responses-sent-ipv6: 107423594