--- version: rssac002v4 service: a.root-servers.net start-period: '2022-09-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6815601726 dns-udp-queries-received-ipv6: 1784187794 dns-tcp-queries-received-ipv4: 611754669 dns-tcp-queries-received-ipv6: 56041106 dns-udp-responses-sent-ipv4: 6313851834 dns-udp-responses-sent-ipv6: 1779343017 dns-tcp-responses-sent-ipv4: 428362045 dns-tcp-responses-sent-ipv6: 55420465