--- version: rssac002v4 service: a.root-servers.net start-period: '2022-12-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6345495968 dns-udp-queries-received-ipv6: 1768516040 dns-tcp-queries-received-ipv4: 315759768 dns-tcp-queries-received-ipv6: 73708332 dns-udp-responses-sent-ipv4: 6175185755 dns-udp-responses-sent-ipv6: 1765959695 dns-tcp-responses-sent-ipv4: 291301578 dns-tcp-responses-sent-ipv6: 73351866