--- version: rssac002v3 service: i.root-servers.net start-period: '2022-02-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7242153707 dns-udp-queries-received-ipv6: 1763726846 dns-tcp-queries-received-ipv4: 759637400 dns-tcp-queries-received-ipv6: 77849656 dns-udp-responses-sent-ipv4: 6199724388 dns-udp-responses-sent-ipv6: 1625192104 dns-tcp-responses-sent-ipv4: 739590138 dns-tcp-responses-sent-ipv6: 57295012