--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5284531060 dns-udp-queries-received-ipv6: 1766431701 dns-tcp-queries-received-ipv4: 356611231 dns-tcp-queries-received-ipv6: 46944152 dns-udp-responses-sent-ipv4: 4940379636 dns-udp-responses-sent-ipv6: 1760501951 dns-tcp-responses-sent-ipv4: 288613864 dns-tcp-responses-sent-ipv6: 46535276