--- version: rssac002v4 service: a.root-servers.net start-period: '2023-07-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6081249302 dns-udp-queries-received-ipv6: 1320715058 dns-tcp-queries-received-ipv4: 329523180 dns-tcp-queries-received-ipv6: 43397278 dns-udp-responses-sent-ipv4: 5937621134 dns-udp-responses-sent-ipv6: 1313041937 dns-tcp-responses-sent-ipv4: 323681438 dns-tcp-responses-sent-ipv6: 41492841