--- version: rssac002v4 service: a.root-servers.net start-period: '2022-06-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5547664860 dns-udp-queries-received-ipv6: 1812628552 dns-tcp-queries-received-ipv4: 353788022 dns-tcp-queries-received-ipv6: 68895820 dns-udp-responses-sent-ipv4: 5295982668 dns-udp-responses-sent-ipv6: 1807184320 dns-tcp-responses-sent-ipv4: 301575423 dns-tcp-responses-sent-ipv6: 67727015