--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5708036658 dns-udp-queries-received-ipv6: 1843550585 dns-tcp-queries-received-ipv4: 369049427 dns-tcp-queries-received-ipv6: 51012325 dns-udp-responses-sent-ipv4: 5342302254 dns-udp-responses-sent-ipv6: 1837293924 dns-tcp-responses-sent-ipv4: 300674199 dns-tcp-responses-sent-ipv6: 50437840