--- version: rssac002v4 service: a.root-servers.net start-period: '2024-03-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8404654492 dns-udp-queries-received-ipv6: 1891234371 dns-tcp-queries-received-ipv4: 327664682 dns-tcp-queries-received-ipv6: 57127604 dns-udp-responses-sent-ipv4: 8242525092 dns-udp-responses-sent-ipv6: 1868581445 dns-tcp-responses-sent-ipv4: 308483231 dns-tcp-responses-sent-ipv6: 46898851