--- version: rssac002v4 service: a.root-servers.net start-period: '2023-11-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7657876397 dns-udp-queries-received-ipv6: 1511542342 dns-tcp-queries-received-ipv4: 482633693 dns-tcp-queries-received-ipv6: 58628446 dns-udp-responses-sent-ipv4: 7495177328 dns-udp-responses-sent-ipv6: 1492208529 dns-tcp-responses-sent-ipv4: 466043805 dns-tcp-responses-sent-ipv6: 50011730