--- version: rssac002v4 service: a.root-servers.net start-period: '2023-04-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7039489943 dns-udp-queries-received-ipv6: 2283730108 dns-tcp-queries-received-ipv4: 484673885 dns-tcp-queries-received-ipv6: 151233464 dns-udp-responses-sent-ipv4: 6401963450 dns-udp-responses-sent-ipv6: 1958938385 dns-tcp-responses-sent-ipv4: 408044649 dns-tcp-responses-sent-ipv6: 119889917