--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6096901679 dns-udp-queries-received-ipv6: 1839972268 dns-tcp-queries-received-ipv4: 459000065 dns-tcp-queries-received-ipv6: 35191174 dns-udp-responses-sent-ipv4: 5721947673 dns-udp-responses-sent-ipv6: 1835731394 dns-tcp-responses-sent-ipv4: 381104657 dns-tcp-responses-sent-ipv6: 34905690