--- version: rssac002v4 service: a.root-servers.net start-period: '2022-10-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6157334690 dns-udp-queries-received-ipv6: 2174191434 dns-tcp-queries-received-ipv4: 301103262 dns-tcp-queries-received-ipv6: 62683647 dns-udp-responses-sent-ipv4: 5988410034 dns-udp-responses-sent-ipv6: 2155679303 dns-tcp-responses-sent-ipv4: 285883224 dns-tcp-responses-sent-ipv6: 55659053