--- version: rssac002v4 service: a.root-servers.net start-period: '2023-03-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7229377916 dns-udp-queries-received-ipv6: 2052353451 dns-tcp-queries-received-ipv4: 451897082 dns-tcp-queries-received-ipv6: 128673073 dns-udp-responses-sent-ipv4: 6673827121 dns-udp-responses-sent-ipv6: 1736157419 dns-tcp-responses-sent-ipv4: 394353521 dns-tcp-responses-sent-ipv6: 101429679