--- version: rssac002v4 service: a.root-servers.net start-period: '2023-01-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6155583074 dns-udp-queries-received-ipv6: 1984190534 dns-tcp-queries-received-ipv4: 389937783 dns-tcp-queries-received-ipv6: 103299426 dns-udp-responses-sent-ipv4: 5802285711 dns-udp-responses-sent-ipv6: 1820090863 dns-tcp-responses-sent-ipv4: 330019633 dns-tcp-responses-sent-ipv6: 84227951