--- version: rssac002v3 service: i.root-servers.net start-period: '2022-01-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6613556659 dns-udp-queries-received-ipv6: 1541982204 dns-tcp-queries-received-ipv4: 595771566 dns-tcp-queries-received-ipv6: 68202238 dns-udp-responses-sent-ipv4: 5788930884 dns-udp-responses-sent-ipv6: 1448230989 dns-tcp-responses-sent-ipv4: 600575002 dns-tcp-responses-sent-ipv6: 52086862