--- version: rssac002v4 service: a.root-servers.net start-period: '2022-09-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6111209082 dns-udp-queries-received-ipv6: 1909924574 dns-tcp-queries-received-ipv4: 329006990 dns-tcp-queries-received-ipv6: 67603857 dns-udp-responses-sent-ipv4: 5898111695 dns-udp-responses-sent-ipv6: 1887043016 dns-tcp-responses-sent-ipv4: 299299887 dns-tcp-responses-sent-ipv6: 61271233