--- version: rssac002v4 service: a.root-servers.net start-period: '2022-02-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4716868201 dns-udp-queries-received-ipv6: 1226726062 dns-tcp-queries-received-ipv4: 273779693 dns-tcp-queries-received-ipv6: 54569894 dns-udp-responses-sent-ipv4: 4889195676 dns-udp-responses-sent-ipv6: 1245058134 dns-tcp-responses-sent-ipv4: 270661222 dns-tcp-responses-sent-ipv6: 54654903