--- version: rssac002v4 service: a.root-servers.net start-period: '2022-02-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4924678389 dns-udp-queries-received-ipv6: 1352554769 dns-tcp-queries-received-ipv4: 276838232 dns-tcp-queries-received-ipv6: 57203774 dns-udp-responses-sent-ipv4: 5091168452 dns-udp-responses-sent-ipv6: 1382035634 dns-tcp-responses-sent-ipv4: 273746089 dns-tcp-responses-sent-ipv6: 57299635