--- version: rssac002v4 service: a.root-servers.net start-period: '2022-11-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6440597665 dns-udp-queries-received-ipv6: 1924433328 dns-tcp-queries-received-ipv4: 328903374 dns-tcp-queries-received-ipv6: 67477261 dns-udp-responses-sent-ipv4: 6238157220 dns-udp-responses-sent-ipv6: 1921398613 dns-tcp-responses-sent-ipv4: 294657122 dns-tcp-responses-sent-ipv6: 67010806