--- version: rssac002v3 service: i.root-servers.net start-period: '2022-04-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6180349587 dns-udp-queries-received-ipv6: 1186814148 dns-tcp-queries-received-ipv4: 596361484 dns-tcp-queries-received-ipv6: 51629384 dns-udp-responses-sent-ipv4: 5319169789 dns-udp-responses-sent-ipv6: 1042212561 dns-tcp-responses-sent-ipv4: 580599277 dns-tcp-responses-sent-ipv6: 45538405