--- version: rssac002v4 service: a.root-servers.net start-period: '2024-04-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8362482586 dns-udp-queries-received-ipv6: 1509022332 dns-tcp-queries-received-ipv4: 331864800 dns-tcp-queries-received-ipv6: 57119893 dns-udp-responses-sent-ipv4: 8211127794 dns-udp-responses-sent-ipv6: 1487563924 dns-tcp-responses-sent-ipv4: 316184326 dns-tcp-responses-sent-ipv6: 47806410