--- version: rssac002v3 service: a.root-servers.net start-period: '2021-08-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4945295556 dns-udp-queries-received-ipv6: 1136521128 dns-tcp-queries-received-ipv4: 305132062 dns-tcp-queries-received-ipv6: 93701068 dns-udp-responses-sent-ipv4: 4962473849 dns-udp-responses-sent-ipv6: 1157375751 dns-tcp-responses-sent-ipv4: 290381010 dns-tcp-responses-sent-ipv6: 93838176