--- version: rssac002v4 service: a.root-servers.net start-period: '2023-07-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6262379331 dns-udp-queries-received-ipv6: 1572537010 dns-tcp-queries-received-ipv4: 325656011 dns-tcp-queries-received-ipv6: 106284975 dns-udp-responses-sent-ipv4: 6114494502 dns-udp-responses-sent-ipv6: 1561726975 dns-tcp-responses-sent-ipv4: 319885748 dns-tcp-responses-sent-ipv6: 103259181