--- version: rssac002v4 service: a.root-servers.net start-period: '2024-04-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7818573373 dns-udp-queries-received-ipv6: 1800651927 dns-tcp-queries-received-ipv4: 337869663 dns-tcp-queries-received-ipv6: 69988679 dns-udp-responses-sent-ipv4: 7649925226 dns-udp-responses-sent-ipv6: 1767543952 dns-tcp-responses-sent-ipv4: 313255886 dns-tcp-responses-sent-ipv6: 54599904