--- version: rssac002v4 service: a.root-servers.net start-period: '2023-03-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6576235578 dns-udp-queries-received-ipv6: 2039663620 dns-tcp-queries-received-ipv4: 409551892 dns-tcp-queries-received-ipv6: 113519487 dns-udp-responses-sent-ipv4: 6103624048 dns-udp-responses-sent-ipv6: 1771880842 dns-tcp-responses-sent-ipv4: 355069787 dns-tcp-responses-sent-ipv6: 90777331