--- version: rssac002v4 service: a.root-servers.net start-period: '2023-02-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6781778446 dns-udp-queries-received-ipv6: 2037221584 dns-tcp-queries-received-ipv4: 410067893 dns-tcp-queries-received-ipv6: 119391039 dns-udp-responses-sent-ipv4: 6138966703 dns-udp-responses-sent-ipv6: 1730569657 dns-tcp-responses-sent-ipv4: 331777095 dns-tcp-responses-sent-ipv6: 92088853