--- version: rssac002v4 service: a.root-servers.net start-period: '2022-12-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5781807173 dns-udp-queries-received-ipv6: 1757409587 dns-tcp-queries-received-ipv4: 308649814 dns-tcp-queries-received-ipv6: 69542742 dns-udp-responses-sent-ipv4: 5691047960 dns-udp-responses-sent-ipv6: 1715240656 dns-tcp-responses-sent-ipv4: 280880586 dns-tcp-responses-sent-ipv6: 69041906