--- version: rssac002v4 service: a.root-servers.net start-period: '2023-07-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6377882681 dns-udp-queries-received-ipv6: 1807596446 dns-tcp-queries-received-ipv4: 329346902 dns-tcp-queries-received-ipv6: 53563605 dns-udp-responses-sent-ipv4: 6215348899 dns-udp-responses-sent-ipv6: 1791230609 dns-tcp-responses-sent-ipv4: 314889288 dns-tcp-responses-sent-ipv6: 47433798