--- version: rssac002v4 service: a.root-servers.net start-period: '2023-06-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6807880146 dns-udp-queries-received-ipv6: 1716086377 dns-tcp-queries-received-ipv4: 349994403 dns-tcp-queries-received-ipv6: 140105428 dns-udp-responses-sent-ipv4: 6645574682 dns-udp-responses-sent-ipv6: 1702850014 dns-tcp-responses-sent-ipv4: 341736094 dns-tcp-responses-sent-ipv6: 136784947