--- version: rssac002v4 service: a.root-servers.net start-period: '2024-01-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7803960813 dns-udp-queries-received-ipv6: 1466005098 dns-tcp-queries-received-ipv4: 403472415 dns-tcp-queries-received-ipv6: 73720111 dns-udp-responses-sent-ipv4: 7619340595 dns-udp-responses-sent-ipv6: 1436825014 dns-tcp-responses-sent-ipv4: 381048789 dns-tcp-responses-sent-ipv6: 60640416