--- version: rssac002v4 service: a.root-servers.net start-period: '2023-06-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6906202328 dns-udp-queries-received-ipv6: 1654039922 dns-tcp-queries-received-ipv4: 339207535 dns-tcp-queries-received-ipv6: 116081458 dns-udp-responses-sent-ipv4: 6725764130 dns-udp-responses-sent-ipv6: 1644826710 dns-tcp-responses-sent-ipv4: 328916271 dns-tcp-responses-sent-ipv6: 113806752