--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6353035393 dns-udp-queries-received-ipv6: 1918227079 dns-tcp-queries-received-ipv4: 387555466 dns-tcp-queries-received-ipv6: 60937339 dns-udp-responses-sent-ipv4: 5926511580 dns-udp-responses-sent-ipv6: 1914572766 dns-tcp-responses-sent-ipv4: 308882474 dns-tcp-responses-sent-ipv6: 60238094