--- version: rssac002v3 service: i.root-servers.net start-period: '2022-01-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7138822200 dns-udp-queries-received-ipv6: 1647845134 dns-tcp-queries-received-ipv4: 752528457 dns-tcp-queries-received-ipv6: 87280624 dns-udp-responses-sent-ipv4: 6149955553 dns-udp-responses-sent-ipv6: 1531458376 dns-tcp-responses-sent-ipv4: 752165110 dns-tcp-responses-sent-ipv6: 70126173