--- version: rssac002v4 service: a.root-servers.net start-period: '2023-03-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7038142778 dns-udp-queries-received-ipv6: 2142042075 dns-tcp-queries-received-ipv4: 425520748 dns-tcp-queries-received-ipv6: 120220251 dns-udp-responses-sent-ipv4: 6515544819 dns-udp-responses-sent-ipv6: 1836856921 dns-tcp-responses-sent-ipv4: 364127477 dns-tcp-responses-sent-ipv6: 94474852