--- version: rssac002v4 service: a.root-servers.net start-period: '2023-07-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6425759016 dns-udp-queries-received-ipv6: 1915740216 dns-tcp-queries-received-ipv4: 338310975 dns-tcp-queries-received-ipv6: 109367994 dns-udp-responses-sent-ipv4: 6264881779 dns-udp-responses-sent-ipv6: 1895598455 dns-tcp-responses-sent-ipv4: 325032054 dns-tcp-responses-sent-ipv6: 102309064