--- version: rssac002v3 service: i.root-servers.net start-period: '2022-01-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6861848101 dns-udp-queries-received-ipv6: 1600312494 dns-tcp-queries-received-ipv4: 696148132 dns-tcp-queries-received-ipv6: 82139290 dns-udp-responses-sent-ipv4: 5939264262 dns-udp-responses-sent-ipv6: 1492569594 dns-tcp-responses-sent-ipv4: 698881201 dns-tcp-responses-sent-ipv6: 66510234