--- version: rssac002v4 service: a.root-servers.net start-period: '2024-04-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7494034732 dns-udp-queries-received-ipv6: 2047883677 dns-tcp-queries-received-ipv4: 300540045 dns-tcp-queries-received-ipv6: 43958407 dns-udp-responses-sent-ipv4: 7363696300 dns-udp-responses-sent-ipv6: 2044265296 dns-tcp-responses-sent-ipv4: 298623615 dns-tcp-responses-sent-ipv6: 44084143