--- version: rssac002v3 service: a.root-servers.net start-period: '2021-08-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5676303122 dns-udp-queries-received-ipv6: 1292473699 dns-tcp-queries-received-ipv4: 342349196 dns-tcp-queries-received-ipv6: 102151203 dns-udp-responses-sent-ipv4: 5603969709 dns-udp-responses-sent-ipv6: 1325881728 dns-tcp-responses-sent-ipv4: 331549121 dns-tcp-responses-sent-ipv6: 102149339