--- version: rssac002v4 service: a.root-servers.net start-period: '2022-06-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5693194044 dns-udp-queries-received-ipv6: 1579256235 dns-tcp-queries-received-ipv4: 378716907 dns-tcp-queries-received-ipv6: 59626807 dns-udp-responses-sent-ipv4: 5434479181 dns-udp-responses-sent-ipv6: 1577779822 dns-tcp-responses-sent-ipv4: 319112921 dns-tcp-responses-sent-ipv6: 59715456