--- version: rssac002v4 service: a.root-servers.net start-period: '2023-09-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6247851074 dns-udp-queries-received-ipv6: 1606488672 dns-tcp-queries-received-ipv4: 313005914 dns-tcp-queries-received-ipv6: 54218950 dns-udp-responses-sent-ipv4: 6079702775 dns-udp-responses-sent-ipv6: 1595792485 dns-tcp-responses-sent-ipv4: 311697614 dns-tcp-responses-sent-ipv6: 51403400