--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5981509519 dns-udp-queries-received-ipv6: 1958081461 dns-tcp-queries-received-ipv4: 397411857 dns-tcp-queries-received-ipv6: 59581642 dns-udp-responses-sent-ipv4: 5590475607 dns-udp-responses-sent-ipv6: 1953403673 dns-tcp-responses-sent-ipv4: 322116118 dns-tcp-responses-sent-ipv6: 59055387