--- version: rssac002v4 service: a.root-servers.net start-period: '2023-01-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6040419045 dns-udp-queries-received-ipv6: 1695532820 dns-tcp-queries-received-ipv4: 371204279 dns-tcp-queries-received-ipv6: 108763869 dns-udp-responses-sent-ipv4: 5708486939 dns-udp-responses-sent-ipv6: 1585047859 dns-tcp-responses-sent-ipv4: 320269236 dns-tcp-responses-sent-ipv6: 94738107