--- version: rssac002v4 service: a.root-servers.net start-period: '2022-12-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6307726101 dns-udp-queries-received-ipv6: 1977040153 dns-tcp-queries-received-ipv4: 331681314 dns-tcp-queries-received-ipv6: 141434873 dns-udp-responses-sent-ipv4: 6125137280 dns-udp-responses-sent-ipv6: 1928589380 dns-tcp-responses-sent-ipv4: 298976934 dns-tcp-responses-sent-ipv6: 139773509